Sparkfun

This diode-transistor photocouplers consist of an LED, optically coupled to a high speed photodetector to transmit electrical signals between circuits while still isolating your system from higher...

This diode-transistor photocouplers consist of an LED, optically coupled to a high speed photodetector to transmit electrical signals between circuits while still isolating your system from higher voltages. The 6N137 optoisolator is presented in an 8-pin DIP package. The output features is an open collector and coupler parameters are guaranteed over the temperature range from -40℃~5℃. The internal shield provides a guaranteed Common Mode Transient Immunity (typical) 10KV/μs. Features: High...

There are a couple must-have boards that every engineer and hobbyist should have on their desk, and this PCA9306 dual, bidirectional voltage-level translator breakout is one of them! Because...

There are a couple must-have boards that every engineer and hobbyist should have on their desk, and this PCA9306 dual, bidirectional voltage-level translator breakout is one of them! Because different parts sometimes use different voltage levels to communicate, voltage level translators can be the key to making different parts play nice. The PCA9306 is a dual bidirectional I2C-bus and SMBus voltage-level translator that's operational on the low side from 1.2V to 3.3V and on the high side from...

The SparkFun 8 Channel Level Shifter Breakout features the TXS01018E™ 8-bit, bi-directional logic level translator from Texas Instruments. This board allows you to easily shift logic between devices...

The SparkFun 8 Channel Level Shifter Breakout features the TXS01018E™ 8-bit, bi-directional logic level translator from Texas Instruments. This board allows you to easily shift logic between devices running at different common microcontroller voltages such as 1.8V, 3.3V and 5V. The TXS0108E can transmit data between ports at max speeds of 110Mbps (push/pull) or 1.2Mbps (open drain) so you can use a 3.3V SPI device with a 5V microcontroller like the SparkFun RedBoard Plus without sacrificing...

The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. This little board breaks out the Texas Instruments TXB0104 4-bit bi-directional...

The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. This little board breaks out the Texas Instruments TXB0104 4-bit bi-directional voltage-level translator with automatic direction sensing. With this logic level converter you will be able to use your 5V logic microcontroller with 3.3V sensors without the second power supply! What makes this Logic level converter truly special is the fact that you can supply it with 3.3V and it will...

Here is a real time clock based on the DS3234 Real Time Clock IC. The DS3234 is a low-cost, extremely accurate SPI bus real-time clock with an integrated temperature-compensated crystal oscillator...

Here is a real time clock based on the DS3234 Real Time Clock IC. The DS3234 is a low-cost, extremely accurate SPI bus real-time clock with an integrated temperature-compensated crystal oscillator and crystal. The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections of leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM...

This is the SparkFun Real Time Clock (RTC) Module, this little breakout that uses the DS1307 to keep track of the current year, month, day as well as the current time. The module comes fully...

This is the SparkFun Real Time Clock (RTC) Module, this little breakout that uses the DS1307 to keep track of the current year, month, day as well as the current time. The module comes fully assembled and includes a small CR1225 Lithium coin cell battery that will run the RTC for a minimum of 9 years (17 years typical) without an external 5V power supply. The DS1307 RTC is accessed via the I2C protocol. We've written a test-bed to program the modules, this code should give you some insight on...

Get with the times, already! This SparkFun Real Time Clock (RTC) Module is a Qwiic-enabled breakout board for the RV-1805 chipset. The RTC is ultra-low power (running at only about 22nA in its...

Get with the times, already! This SparkFun Real Time Clock (RTC) Module is a Qwiic-enabled breakout board for the RV-1805 chipset. The RTC is ultra-low power (running at only about 22nA in its lowest power setting) so it can use a supercapacitor for backup power instead of a normal battery. This means you get plenty of charge and discharge cycles without any degradation to the “battery." To make it even easier to get your readings, all communication is enacted exclusively via I2C, utilizing...

The SparkFun RV-8803 Real Time Clock Module is a Qwiic-enabled breakout board for the RV-8803 RTC. The RV-8803 boasts some impressive features including a temperature compensated crystal providing...

The SparkFun RV-8803 Real Time Clock Module is a Qwiic-enabled breakout board for the RV-8803 RTC. The RV-8803 boasts some impressive features including a temperature compensated crystal providing extremely precise time-keeping, low power consumption, and time stamp event input along with a user-programmable timing offset value. The RV-8803 also has an improved I2C interface compared to the RV-1805 RTC that removes the need to sequence commands/writes to the device. Best of all, the...

RTC stands for real time clock folks. The DS3234 is a low-cost, extremely accurate SPI bus RTC with an integrated temperature compensated crystal oscillator (TCXO) and crystal. If you aren't looking...

RTC stands for real time clock folks. The DS3234 is a low-cost, extremely accurate SPI bus RTC with an integrated temperature compensated crystal oscillator (TCXO) and crystal. If you aren't looking to design your own breakout board, never fear, we have you covered with the DeadOn RTC Breakout! Features: Battery Backup Input for Continuous Timekeeping High-precision (±2ppm) Operating Temperature Range 0°C to +70°C Low-Power Consumption Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date,...

This simple breakout board makes it easy to use our LED tactile switches in a breadboard, or your next project. Note: Populate the board according to the polarity of the LED on the switch. The...

This simple breakout board makes it easy to use our LED tactile switches in a breadboard, or your next project. Note: Populate the board according to the polarity of the LED on the switch. The markings for the switch are irrelevant and can be reversed. Documents: Schematic Eagle Files GitHub ...

This is a translucent silicon rubber button pad with 16 buttons originally inspired by the folks at monome.org. Each button has a hole underneath that accepts either a 3mm or 5mm standard LED. The...

This is a translucent silicon rubber button pad with 16 buttons originally inspired by the folks at monome.org. Each button has a hole underneath that accepts either a 3mm or 5mm standard LED. The idea is that you can create a button interface of your choice with the ability to display simple colors under each button. Mainly, we wanted to use our tri-color LEDs to create a full RGB color for each button. 16 button pad can be split up into four, 4 button pads. Each button has a conductive...

This is a translucent silicon rubber button pad with 4 buttons orignally inspired by the folks at monome.org. Each button has a hole underneath that accepts either a 3mm or 5mm standard LED. The...

This is a translucent silicon rubber button pad with 4 buttons orignally inspired by the folks at monome.org. Each button has a hole underneath that accepts either a 3mm or 5mm standard LED. The idea is that you can create a button interface of your choice with the ability to display simple colors under each button. Mainly, we wanted to use our tri-color LEDs to create a full RGB color for each button. Each button has a conductive circle backing so that a switch can be created with exposed PCB...

This a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are soldered to the back side of the PCB. We recommend trimming the...

This a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are soldered to the back side of the PCB. We recommend trimming the connector leads on the button side as short as possible to reduce the deflection of the pad. Now with footprints for diodes! Use the super cheap 1N4148 through-hole diodes. These can be used to isolate the switches to make for a bit easier decoding. Documents: Schematic Eagle Files Hookup Guide Datasheet...

Miniature surface mount momentary button. These are great, low-profile momentary switches. Perfect as a tactile reset switch. Rated up to 50mA. Documents: Dimensional Drawing ...

Miniature surface mount momentary button. These are great, low-profile momentary switches. Perfect as a tactile reset switch. Rated up to 50mA. Documents: Dimensional Drawing

This is a black plastic bezel, custom made to mate with the silicon rubber pads. Black 1/8" ABS plastic. We use four 4/40-0.5" size screws matched with plastic standoffs to attach the 2x2 button pad...

This is a black plastic bezel, custom made to mate with the silicon rubber pads. Black 1/8" ABS plastic. We use four 4/40-0.5" size screws matched with plastic standoffs to attach the 2x2 button pad and Simon project boards. Using two of these bezels with two of the bottom bezels will create a 4x4 bezel appropriate for the full button pad. Documents: Dimensional Multi-Unit Assembly 3D Model ...

This is a black plastic bezel, custom made to mate with the silicon rubber pads. Black 1/8" ABS plastic. Using two of these bezels with two of the top bezels will create a 4x4 bezel appropriate for...

This is a black plastic bezel, custom made to mate with the silicon rubber pads. Black 1/8" ABS plastic. Using two of these bezels with two of the top bezels will create a 4x4 bezel appropriate for the full button pad. Documents: Dimensional Multi-Unit Assembly 3D Model ...

This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features: Convex Button 35.75 mm Diameter x 46 mm Height M28...

This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features: Convex Button 35.75 mm Diameter x 46 mm Height M28 thread Mounting Hole Diameter: 27.3 mm Net weight: 0.015kg Rated for 12V/1A

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life...

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. Button can also be adjusted to a low profile button by removing the middle ring. Features: LED indicator light runs at 12VDC Bulb holder is easy to install or remove 3 Terminals Button Actuator microswitch included Microswitch reliability tested to 10,000,000...

This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it 'clicks' really well). This button is great for user input on a PCB or a good,...

This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it 'clicks' really well). This button is great for user input on a PCB or a good, big reset button on a breadboard. Breadboard friendly!

This a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are soldered to the back side of the PCB. We recommend trimming the...

This a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are soldered to the back side of the PCB. We recommend trimming the connector leads on the button side as short as possible to reduce the deflection of the pad. Now with footprints for diodes! Use the super cheap 1N4148 through-hole diodes. These can be used to isolate the switches to make for a bit easier decoding. Documents: Schematic Eagle Files ...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features:...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features: Concave plunger design Durable nylon material Microswitch: max 3A @ 120 VAC Microswitch reliability tested to 10,000,000 cycles Includes 3 terminal microswitch Net weight: 25g* Bezel diameter: 32mm Overall height: 65mm Mounting hole: 1 1/8th inch paddle bit (1.125" / 28mm) ...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features:...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features: Concave plunger design Durable nylon material Microswitch: max 3A @ 120 VAC Microswitch reliability tested to 10,000,000 cycles Includes 3 terminal microswitch Net weight: 25g* Cap diameter: 35mm Overall height: 65mm Mounting hole: 1 1/8th inch paddle bit (1.125" / 28mm) ...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features:...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features: Concave plunger design Durable nylon material Microswitch: max 3A @ 120 VAC Microswitch reliability tested to 10,000,000 cycles Includes 3 terminal microswitch Net weight: 25g* Cap diameter: 35mm Overall height: 65mm Mounting hole: 1 1/8th inch paddle bit (1.125" / 28mm) ...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features:...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features: Concave plunger design Durable nylon material Microswitch: max 3A @ 120 VAC Microswitch reliability tested to 10,000,000 cycles Includes 3 terminal microswitch Net weight: 25g* Cap diameter: 35mm Overall height: 65mm Mounting hole: 1 1/8th inch paddle bit (1.125" / 28mm) ...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features:...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features: Concave plunger design Durable nylon material Microswitch: max 3A @ 120 VAC Microswitch reliability tested to 10,000,000 cycles Includes 3 terminal microswitch Net weight: 25g* Cap diameter: 35mm Overall height: 65mm Mounting hole: 1 1/8th inch paddle bit (1.125" / 28mm) ...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features:...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, 'clicky' feel. Features: Concave plunger design Durable nylon material Microswitch: max 3A @ 120 VAC Microswitch reliability tested to 10,000,000 cycles Includes 3 terminal microswitch Net weight: 25g* Cap diameter: 35mm Overall height: 65mm Mounting hole: 1 1/8th inch paddle bit (1.125" / 28mm) ...

These tactile buttons are great for all sorts of projects. This assortment comes with 2 of each of 6 different colors for a total of 12 buttons. The colored caps are removable and the buttons fit...

These tactile buttons are great for all sorts of projects. This assortment comes with 2 of each of 6 different colors for a total of 12 buttons. The colored caps are removable and the buttons fit into breadboards. See the drawing below for exact dimensions. Documents: Drawing

This is a simple LED-illuminated tactile button with a clear cap. It's just like a basic tactile button, but it lights up white! So now you can get visual feedback, or light up your project. These...

This is a simple LED-illuminated tactile button with a clear cap. It's just like a basic tactile button, but it lights up white! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. They don't easily fit into a breadboard, but check below for a breakout board. We also have these in a a variety of colors, check below to see the others. Documents: Datasheet Drawing ...

This is a simple LED-illuminated tactile button with a green cap. It's just like a basic tactile button, but it lights up green! So now you can get visual feedback, or light up your project. These...

This is a simple LED-illuminated tactile button with a green cap. It's just like a basic tactile button, but it lights up green! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. They don't easily fit into a breadboard, but check below for a breakout board. We also have these in a a variety of colors, check below to see the others. Documents: Datasheet Drawing ...

This is a simple LED-illuminated tactile button with a red cap. It's just like a basic tactile button, but it lights up red! So now you can get visual feedback, or light up your project. These have...

This is a simple LED-illuminated tactile button with a red cap. It's just like a basic tactile button, but it lights up red! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. They don't easily fit into a breadboard, but check below for a breakout board. We also have these in a a variety of colors, check below to see the others. Documents: Datasheet Drawing ...

This is a simple LED-illuminated tactile button with a clear cap. It's just like a basic tactile button, but it lights up blue! So now you can get visual feedback, or light up your project. These...

This is a simple LED-illuminated tactile button with a clear cap. It's just like a basic tactile button, but it lights up blue! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. They don't easily fit into a breadboard, but check below for a breakout board. We also have these in a a variety of colors, check below to see the others. Documents: Datasheet Drawing ...

This right-angle tactile switch has a great 'click' to it. Also, because it's a through-hole design it's very sturdy. Mount it on the edge of your board for easy access. These are rated for 12VDC at...

This right-angle tactile switch has a great 'click' to it. Also, because it's a through-hole design it's very sturdy. Mount it on the edge of your board for easy access. These are rated for 12VDC at 50mA. Documents: Dimensional Drawing

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life...

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. Button can also be adjusted to a low profile button by removing the middle ring. Features: LED indicator light runs at 12VDC Bulb holder is easy to install or remove 3 Terminals Button Actuator microswitch included Microswitch reliability tested to 10,000,000...

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life...

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. Button can also be adjusted to a low profile button by removing the middle ring. Features: LED indicator light runs at 12VDC Bulb holder is easy to install or remove 3 Terminals Button Actuator microswitch included Microswitch reliability tested to 10,000,000...

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life...

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. Button can also be adjusted to a low profile button by removing the middle ring. Features: LED indicator light runs at 12VDC Bulb holder is easy to install or remove 3 Terminals Button Actuator microswitch included Microswitch reliability tested to 10,000,000...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated red LED ring. It is a SPDT...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated red LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These momentary buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show an...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated blue LED ring. It is a...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated blue LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These momentary buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show an...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated green LED ring. It is a...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated green LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These momentary buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show an...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated yellow LED ring. It is a...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated yellow LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These momentary buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated white LED ring. It is a...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated white LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These momentary buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show an...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated red LED ring. It is a SPDT...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated red LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These latched buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show an LED...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated blue LED ring. It is a SPDT...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated blue LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These latched buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show an LED...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated green LED ring. It is a...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated green LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These latched buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show an...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated white LED ring. It is a...

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated white LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These latched buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V. Note: The images for this button show an...

It's your basic red action button! This is a very useful, small, panel-mount momentary switch. It is a SPST N.O. with the threaded portion being 6.75mm in diameter. This button is perfect for basic...

It's your basic red action button! This is a very useful, small, panel-mount momentary switch. It is a SPST N.O. with the threaded portion being 6.75mm in diameter. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.06" and has small solder lugs for connection. These momentary buttons are rated up to 0.5A and 250VAC. Documents: Datasheet Videos ...

It's your basic yellow action button! This is a very useful, small, panel-mount momentary switch. It is a SPST N.O. with the threaded portion being 6.75mm in diameter. This button is perfect for...

It's your basic yellow action button! This is a very useful, small, panel-mount momentary switch. It is a SPST N.O. with the threaded portion being 6.75mm in diameter. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.06" and has small solder lugs for connection. These momentary buttons are rated up to 0.5A and 250VAC. Documents: Datasheet Videos ...

It's your basic black action button! This is a very useful, small, panel-mount momentary switch. It is a SPST N.O. with the threaded portion being 6.75mm in diameter. This button is perfect for...

It's your basic black action button! This is a very useful, small, panel-mount momentary switch. It is a SPST N.O. with the threaded portion being 6.75mm in diameter. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.06" and has small solder lugs for connection. These momentary buttons are rated up to 0.5A and 250VAC. Documents: Datasheet Videos ...

This is an SMD 6mm square SPST button. What we really like is the little button head and good tactile feel (it ‘clicks’ really well). This button is great for user input or a good reset button on a...

This is an SMD 6mm square SPST button. What we really like is the little button head and good tactile feel (it ‘clicks’ really well). This button is great for user input or a good reset button on a PCB. As this is an SMD component make sure you are well versed in soldering before attempting to incorporate this button into your project. Documents: [Dimensional Drawing](https://cdn.sparkfun.com/datasheets/Components/Switches/COM-12922_datasheet SW-033.jpg) ...

This is an SMD 12mm square SPST button. What we really like is the large button head and good tactile feel (it ‘clicks’ really well). This button is great for user input or a good reset button on a...

This is an SMD 12mm square SPST button. What we really like is the large button head and good tactile feel (it ‘clicks’ really well). This button is great for user input or a good reset button on a PCB, heck, we use this guy on our PicoBoard! As this is an SMD component make sure you are well versed in soldering before attempting to incorporate this button into your project. Documents: Datasheet ...

This is a simple 4-pack of momentary, multicolor buttons, great for all sorts of projects! Unlike previous iterations of multicolor buttons, this pack's tactile switches are actually recessed into...

This is a simple 4-pack of momentary, multicolor buttons, great for all sorts of projects! Unlike previous iterations of multicolor buttons, this pack's tactile switches are actually recessed into the housing so they don't accidentally fall off during use. Each pack comes with one red button, one blue button, one yellow button and one green button. These are the same buttons included in the SparkFun Inventor's Kit v4.0. We loved them so much we had to include them in our favorite kit!...

Buttons are an easy and tactile way to interface with your project, but why would you want to deal with debouncing, polling, and wiring up pull-up resistors? The SparkFun Qwiic Button Breakout...

Buttons are an easy and tactile way to interface with your project, but why would you want to deal with debouncing, polling, and wiring up pull-up resistors? The SparkFun Qwiic Button Breakout simplifies all of those nasty worries away into an easy to use I2C device! Utilizing our Qwiic Connect System, using the button is as simple as connecting a cable and loading up some pre-written code! This breakout allows you to choose which color 12mm illuminated button you want to solder onto your...

Buttons are an easy and tactile way to interface with your project, but why would you want to deal with debouncing, polling, and wiring up pull-up resistors? The Qwiic Button with built-in red LED...

Buttons are an easy and tactile way to interface with your project, but why would you want to deal with debouncing, polling, and wiring up pull-up resistors? The Qwiic Button with built-in red LED simplifies all of those nasty worries away into an easy to use I2C device! Utilizing our Qwiic Connect System, using the button is as simple as connecting a cable and loading up some pre-written code! If you need multiple buttons for your project, fear not! Each button has a configurable I2C address,...

Buttons are an easy and tactile way to interface with your project, but why would you want to deal with debouncing, polling, and wiring up pull-up resistors? The Qwiic Button with built-in green LED...

Buttons are an easy and tactile way to interface with your project, but why would you want to deal with debouncing, polling, and wiring up pull-up resistors? The Qwiic Button with built-in green LED simplifies all of those nasty worries away into an easy to use I2C device! Utilizing our Qwiic Connect System, using the button is as simple as connecting a cable and loading up some pre-written code! If you need multiple buttons for your project, fear not! Each button has a configurable I2C...

This IR proximity contactless button makes for a good replacement for typical push buttons in situations where touching the button isn't required or desirable (especially in this day and age). This...

This IR proximity contactless button makes for a good replacement for typical push buttons in situations where touching the button isn't required or desirable (especially in this day and age). This button includes a built in microcontroller to handle interference or noise, a red/blue status LED gives the user visual feedback that a "touch" has been registered, and two potentiometers on the back of the device allow you to adjust the read range from 3-15cm and adjust the "open time" from 0.5 to...

The TLC5940 is a 16 channel PWM unit with 12 bit duty cycle control (0-4095), 6 bit current limit control (0-63), and a daisy chainable serial interface. This breakout board is a good way to take...

The TLC5940 is a 16 channel PWM unit with 12 bit duty cycle control (0-4095), 6 bit current limit control (0-63), and a daisy chainable serial interface. This breakout board is a good way to take full advantage of this useful IC. All 16 PWM channels are broken out to standard 0.1" headers, which run alongside convenient voltage and ground rails. Also, because the TLC5940 can be daisy-chained, the breakout is designed to support that feature. On the left-hand side of the board all serial inputs...

The SparkFun Large Digit Driver is a chainable controller backpack that can be soldered directly to the back of our large 6.5" 7-segment displays. Large numerical displays are a great addition to...

The SparkFun Large Digit Driver is a chainable controller backpack that can be soldered directly to the back of our large 6.5" 7-segment displays. Large numerical displays are a great addition to any project where you want to be able to see information at a distance. Scorekeepers and lap timers would be a great application for large 7-segment LED displays. The SparkFun Large Digit Driver can easily be attached to the back of the 7-segment display by soldering all 10 castellations pins at the...

The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs on three different channels. By default, each channel is driven at...

The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs on three different channels. By default, each channel is driven at 330mA; that current can be reduced by either presenting an analog voltage or a PWM signal to the board. Version 12 of the board adds a solderable jumper that can be closed to increase the maximum current to 660mA. The new voltage regulator also increased the voltage rating on the various components on...

This is the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power channel of LEDs from 0-350mA at up to 36V while the...

This is the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power channel of LEDs from 0-350mA at up to 36V while the dimming control can be either accessed via PWM or analog signal from 0-2.5V. This board is based off of the PicoBuck LED Driver, developed in collaboration with Ethan Zonca, except instead of blending three different LEDs on three different channels the FemtoBuck controls just one. For the FemtoBuck,...

The SparkFun LP55231 LED Driver Breakout is a self-contained solution for developing and deploying the nine-channel I2C LED controller. Remarkably simple, the breakout is equipped primarily with...

The SparkFun LP55231 LED Driver Breakout is a self-contained solution for developing and deploying the nine-channel I2C LED controller. Remarkably simple, the breakout is equipped primarily with just the LP55231 LED controller IC, plus three RGB LEDs. It also features pads and jumpers for replacing the onboard LEDs with external ones, and configuring the I2C bus, which allows you to daisy-chain up to four LP55231s. This breakout drives the LEDs using Pulse Width Modulation (PWM), so it is...

The LumiDrive LED Driver is SparkFun's foray into all things Python on micro-controllers. With the SparkFun LumiDrive you will be able to control and personalize a whole strand of APA102s directly...

The LumiDrive LED Driver is SparkFun's foray into all things Python on micro-controllers. With the SparkFun LumiDrive you will be able to control and personalize a whole strand of APA102s directly from the board itself. We've broken out a number of analog and digital pins from the on board SAMD21G-AU microcontroller to incorporate your own external buttons, switches, and other interfaces to interact with your addressable LED strip. It feels like Arduino, but without the need to upload and...

The SparkFun ESP32 Thing Plus DMX to LED Shield is the perfect way to send and receive DMX data. Whether it's coming in via the onboard XLR-3 jack or ArtNet, or outputting over the XLR-3...

The SparkFun ESP32 Thing Plus DMX to LED Shield is the perfect way to send and receive DMX data. Whether it's coming in via the onboard XLR-3 jack or ArtNet, or outputting over the XLR-3 Jack/ArtNet, this shield has you covered! It's the perfect way to get started developing your own custom DMX fixtures, or even adding ArtNet capabilities to a current fixture. It also holds up to the DMX standard which requires electrical isolation between the controller and communication side to avoid ground...

This is a breakout for the SOIC version of the 74HC595 shift register IC. Clock in data and latch it to free up IO pins on your micro. All pins from the IC are broken out to standard 0.1" spaced...

This is a breakout for the SOIC version of the 74HC595 shift register IC. Clock in data and latch it to free up IO pins on your micro. All pins from the IC are broken out to standard 0.1" spaced headers. The Serial in and out pins are on opposite sides of the board with the remaining pins carried over so that multiple shift register boards can be chained together. Get started with the Shift Register Guide Documents: [Schematic](http://cdn.sparkfun.com/datasheets/BreakoutBoards/74HC595 Shift...

This is a clever little breakout board for both the RGB and R/G illuminated rotary encoders. On one side, it breaks out all of the RGB pins to standard, breadboard friendly, 0.1" headers. Turn it...

This is a clever little breakout board for both the RGB and R/G illuminated rotary encoders. On one side, it breaks out all of the RGB pins to standard, breadboard friendly, 0.1" headers. Turn it over and it has a footprint for the R/G version! Simply solder an encoder down to the board and you're ready to add illuminated input to your next project. Documents: Schematic Eagle Files GitHub ...

This is a 12-step rotary encoder with a nice 'clicking' feel. It's breadboard friendly, and has a pretty handy select switch (by pushing in on the knob). The encoder is different from a...

This is a 12-step rotary encoder with a nice 'clicking' feel. It's breadboard friendly, and has a pretty handy select switch (by pushing in on the knob). The encoder is different from a potentiometer in that an encoder has full rotation without limits. The unit outputs gray code so that you can tell how much and in which direction the encoder has been turned. This unit does not come with a knob, but a working knob is related below. Documents: Bildr example showing how to use an encoder in...