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SparkFun LED Driver Breakout - LP55231
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Price: $15.83
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Sparkfun Item #: BOB-13884 -

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...

SparkFun LED Driver Breakout - TLC5940 (16 Channel)
Price: $26.30
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Sparkfun Item #: BOB-10616 -

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...

SparkFun Level Shifting microSD Breakout
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Price: $9.38
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Sparkfun Item #: DEV-13743 -

The SparkFun Level Shifting microSD Breakout is quite similar to the SparkFun microSD Transflash Breakout, but with the included level shifting hardware, this board allows you to utilize a microSD card at Arduino’s SD library’s top speed on a 5V system. With this small breakout board, that is not much bigger than your fingernail, adding mass storage to your project will never be easier. With the additional feature of being 3.0V to 5.0V tolerant for ease of use, discrete level shifting is no...

SparkFun Level Translator Breakout - PCA9306
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Price: $6.59
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Sparkfun Item #: BOB-15439 -

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...

SparkFun LiPo Charger Basic - Micro-USB
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Price: $14.92
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Sparkfun Item #: PRT-10217 -

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells at a rate of 500mA. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work with your battery. The board incorporates a charging circuit, status LED, connector for your battery (JST-type used in the batteries we carry), and...

SparkFun LiPo Charger Basic - Mini-USB
Price: $16.08
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Sparkfun Item #: PRT-10401 -

If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work with your battery. The board incorporates a charging circuit, status LED, connector for your battery (JST-type used in the batteries we carry), and a mini-USB connector. However, we do not recommend this charger with a 110mAh battery. Note: This version uses a mini-USB cable. We also have this charger...

SparkFun LiPo Charger Plus
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Price: $17.50
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Sparkfun Item #: PRT-15217 -

The SparkFun LiPo Charger Plus is the souped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) battery chargers. With this iteration, we've changed the input charge connector to USB-C and provided charge rate selection as well as optional thermal protection. Charge, power, and done LEDs clearly indicate the status of your charging process. This board can be used for any of the 2-pin JST connector single cell LiPo batteries we carry. With an input voltage between...

SparkFun LiPo Charger/Booster - 5V/1A
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Price: $26.58
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Sparkfun Item #: PRT-14411 -

The SparkFun 5V/1A LiPo Charger/Booster is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V. This LiPo charger is a very economical choice that is equipped with a simple booster circuit utilizing the PAM2401 IC, and includes protection diodes so you can run multiple cells in series for an extra kick. While the booster circuit is in operation, this board can draw more current the lower the input voltage, making it perfect to deliver a strong charge in a small...

SparkFun Logic Level Converter - Bi-Directional
Price: $4.89
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Sparkfun Item #: BOB-12009 -

If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up and down between them safely on the...

SparkFun Logic Level Converter - Single Supply
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Price: $29.58
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Sparkfun Item #: PRT-14765 -

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...

SparkFun Logomatic v2 - Serial SD Datalogger (FAT32)
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Price: $98.25
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Sparkfun Item #: WIG-12772 -

The SparkFun Logomatic v2 takes everything we learned with logging analog or serial data from your projects over the years and boils it down to an easy to use device, that is now more adaptable than ever! Version 2 incorporates the LPC2148 with microUSB, battery charging, FAT32 formatting, and microSD support. This allows us to use the SparkFun LPC2148 USB bootloader for even easier and faster modification of the firmware. No programmer required! The Logomatic v2 uses a USB mass storage stack...

SparkFun Lumenati 4-pack
Price: $10.50
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Sparkfun Item #: COM-14353 -

Designed to give your projects an edge in their lighting capacity, the SparkFun Lumenati 4-pack is a coin-sized board equipped with four APA102C LEDs surrounding the outer edge. The 4-pack board can be daisy-chained with other Lumenati boards, thanks to the multiple SMD pads on the back allowing for multiple design options and formations. Additionally, we have labeled the APA102C LEDs on each board with numbers indicating their position in the sequence to help you write code more easily. We...

SparkFun Lumenati 8-pack
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Price: $14.17
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Sparkfun Item #: COM-14357 -

The SparkFun Lumenati 8-pack is a coin-sized board equipped with seven APA102C LEDs surrounding the outer edge of the board, with one in the center. Designed to give your projects an edge in their lighting capacity, the 8-pack board can be daisy-chained with other Lumenati boards, thanks to the multiple SMD pads on the back allowing for multiple design options and formations. Additionally, we have labeled the APA102C LEDs on each board with numbers indicating their position in the sequence to...

SparkFun Lumenati 8-stick
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Price: $14.17
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Sparkfun Item #: COM-14359 -

The SparkFun Lumenati 8-stick is a small board equipped with eight APA102C LEDs in a row and two mounting positions, that has been designed to give your projects an edge in their lighting capacity. The 8-stick board has been specifically designed to be daisy-chained with other Lumenati boards, thanks to the castellated edge connectors at each end allowing for multiple design options and formations. Additionally, we have labeled the APA102C LEDs on each board with numbers indicating their...

SparkFun Lumenati 90L
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Price: $9.20
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Sparkfun Item #: COM-14452 -

The SparkFun Lumenati 90L is a small quarter-circle board equipped with three APA102C LEDs and a single mounting position that has been designed to give your projects an edge in their lighting capacity. The 90L board has been specifically designed to be daisy-chained with other Lumenati boards, thanks to the castellated edge connectors at each end allowing for multiple design options and formations. Additionally, we have labeled the APA102C LEDs on each board with numbers indicating their...

SparkFun Lumenati 90R
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Price: $10.50
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Sparkfun Item #: COM-14358 -

The SparkFun Lumenati 90R is a small quarter-circle board equipped with three APA102C LEDs and a single mounting position that has been designed to give your projects an edge in their lighting capacity. The 90R board has been specifically designed to be daisy-chained with other Lumenati boards, thanks to the castellated edge connectors at each end allowing for multiple design options and formations. Additionally, we have labeled the APA102C LEDs on each board with numbers indicating their...

SparkFun LumiDrive LED Driver
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Price: $34.92
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Sparkfun Item #: DEV-14779 -

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...

SparkFun LuMini LED Matrix - 8x8 (64 x APA102-2020)
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Price: $43.33
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Sparkfun Item #: COM-15047 -

This is the 8x8 SparkFun LuMini LED Matrix, packed with 64 individually addressable LEDs, each capable of producing 16 million colors, it provides you with a great way to add a square of light to just about anything, or even make a screen of a custom shape! LuMini is a miniaturized version of our Lumenati LED line but instead of utilizing 5mm by 5mm APA102 LEDs (APA102-5050), LuMini uses a 2mm by 2mm package (APA102-2020). This allows for incredibly tight pixel densities, and thus, a screen...

SparkFun LuMini LED Ring - 1 Inch (20 x APA102-2020)
Price: $17.50
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Sparkfun Item #: COM-14967 -

This is the one inch version of the SparkFun LuMini LED Ring, packed with 20 individually addressable LEDs, each capable of producing 16 million colors, it provides you with a lot of color for just about any reason! LuMini is a miniaturized version of our Lumenati LED line but instead of utilizing 5mm by 5mm APA102 LEDs (APA102-5050), LuMini uses a 2mm by 2mm package (APA102-2020). This allows for incredibly tight pixel densities, and thus, a more continuous ring of color for you to use! The...

SparkFun LuMini LED Ring - 2 Inch (40 x APA102-2020)
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Price: $28.25
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Sparkfun Item #: COM-14966 -

This is the two inch version of the SparkFun LuMini LED Ring, packed with 40 individually addressable LEDs, each capable of producing 16 million colors, it provides you with a lot of color for just about any reason! LuMini is a miniaturized version of our Lumenati LED line but instead of utilizing 5mm by 5mm APA102 LEDs (APA102-5050), LuMini uses a 2mm by 2mm package (APA102-2020). This allows for incredibly tight pixel densities, and thus, a more continuous ring of color for you to use! The...

SparkFun LuMini LED Ring - 3 Inch (60 x APA102-2020)
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Price: $45.83
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Sparkfun Item #: COM-14965 -

This is the three inch version of the SparkFun LuMini LED Ring, packed with 60 individually addressable LEDs, each capable of producing 16 million colors, it provides you with a lot of color for just about any reason! LuMini is a miniaturized version of our Lumenati LED line but instead of utilizing 5mm by 5mm APA102 LEDs (APA102-5050), LuMini uses a 2mm by 2mm package (APA102-2020). This allows for incredibly tight pixel densities, and thus, a more continuous ring of color for you to use! The...

SparkFun micro:bit Breakout
Price: $11.30
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Sparkfun Item #: BOB-13988 -

The SparkFun micro:bit Breakout is a board that connects to the BBC micro:bit and expands the capabilities of the development platform by providing access to more pins and allowing for connections to the I2C and SPI buses. This breakout board for the micro:bit’s edge connector allows intermediate and advanced users to connect the micro:bit to breadboards and other sensors, motors, LEDs and more! The micro:bit on its own has three digital/analog input/output rings available for you to use...

SparkFun micro:bit Breakout (with Headers)
Price: $11.59
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Sparkfun Item #: BOB-13989 -

The SparkFun micro:bit Breakout is a board that connects to the BBC micro:bit and expands the capabilities of the development platform by providing access to more pins and allowing for connections to the I2C and SPI buses. This breakout board for the micro:bit’s edge connector allows intermediate and advanced users to connect the micro:bit to breadboards and other sensors, motors, LEDs and more! The micro:bit on its own has three digital/analog input/output rings available for you to use...

SparkFun microB USB Breakout
Price: $4.62
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Sparkfun Item #: BOB-12035 -

This simple board breaks out a micro-B USB connector's VCC, GND, ID, D- and D+ pins to a 0.1" pitch header. If you want to add the popular micro-B USB to your project, but don't want to put up with soldering the tiny connector, this is the board for you. Features: 0.8 x 0.45" (20.3 x 11.4mm) Documents: [Schematic](http://cdn.sparkfun.com/datasheets/BreakoutBoards/Breakout Board for USB microB.pdf) [Eagle Files](http://cdn.sparkfun.com/datasheets/BreakoutBoards/Breakout Board for USB...

SparkFun MicroMod Data Logging Carrier Board
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Price: $33.25
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Sparkfun Item #: DEV-16829 -

The SparkFun MicroMod Data Logging Board offers a highly customizable, low-power data logging platform using the MicroMod system allowing you to choose your own Processor to pair with the Carrier Board. The Data Logging Carrier Board breaks out connections for I2C via a Qwiic connector or standard 0.1"-spaced PTH pins along with SPI and serial UART connections for logging data from peripheral devices using those communication protocols. The Data Logging Carrier Board allows you to control...

SparkFun MicroMod Qwiic Carrier Board - Double
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Price: $19.92
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Sparkfun Item #: DEV-17724 -

The MicroMod Qwiic Carrier Board can be used to rapidly prototype with other Qwiic devices. The MicroMod M.2 socket provides users the freedom to experiment with any processor board in the MicroMod ecosystem. This board also features two Qwiic connectors and eight 4-40 screw inserts to connect and mount Qwiic devices. This version of the SparkFun MicroMod Qwiic Carrier Board features two ports for our standard 1in. by 1in. Qwiic breakouts. However, you aren't beholden to attaching just a duo...

SparkFun MicroMod Qwiic Carrier Board - Single
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Price: $16.58
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Sparkfun Item #: DEV-17723 -

The MicroMod Qwiic Carrier Board can be used to rapidly prototype with other Qwiic devices. The MicroMod M.2 socket provides users the freedom to experiment with any processor board in the MicroMod ecosystem. This board also features two Qwiic connectors and four 4-40 screw inserts to connect and mount Qwiic devices. This version of the SparkFun MicroMod Qwiic Carrier Board features a single port for our standard 1in. by 1in. Qwiic Breakouts. However, you aren't beholden to attaching just one...

SparkFun MicroMod Update Tool
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Price: $8.25
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Sparkfun Item #: DEV-17725 -

The SparkFun MicroMod Update Tool is built to interface with the MicroMod Asset Tracker Carrier Board and also makes it simple to communicate directly with the u-blox SARA-R510M8S module using u-blox’s sophisticated m-center cellular evaluation software. If you’re familiar with u-center, u-blox’s GNSS evaluation software, you’ll know how excellent their software is. m-center is every bit as good. Attach a USB-C cable and away you go! The Update Tool is not a full MicroMod Processor Board, it...

SparkFun microSD Sniffer
Price: $18.19
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Sparkfun Item #: TOL-09419 -

This is a unique board recommended by a SparkFun customer. When playing with microSD, you sometimes need to view what the SPI traffic is doing, whether for hacking or debugging. The SparkFun microSD Sniffer allows you to hook up an external device, such as a logic analyzer or microcontroller, to view what signals are being passed back and forth. Insert one side into a regular uSD socket and a uSD card into the on-board socket, simple as that. All necessary pins are broken out to an 8-pin 0.1"...

SparkFun microSD Transflash Breakout
Price: $7.74
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Sparkfun Item #: BOB-00544 -

Breakout board for the microSD socket that is not much bigger than your fingernail. Compatible with the SPI interface found on any SD card, this tiny form factor was created for cell phone storage and is perfect for your next MP3 project! Board comes fully assembled and tested. The bare socket is available. Documents: Schematic Eagle Files Datasheet Adding SD to a Router - Thanks Jake! Eagle Layout as well! mbed Example GitHub ...

SparkFun Mono Audio Amp Breakout - TPA2005D1
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Price: $14.17
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Sparkfun Item #: BOB-11044 -

This tiny audio amplifier is based on the Texas Instruments TPA2005D1. Its efficient class-D operation means low heat and long battery life. It can drive an 8-Ohm speaker at up to 1.4 Watts; it won't shake a stadium, but it will provide plenty of volume for your audio projects. The fully-differential inputs are safe for floating audio signals such as from our MP3 Shield, and can also be connected to ground-referenced signals as well. A shutdown input is provided to save power when the...

SparkFun MOSFET Power Controller
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Price: $15.83
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Sparkfun Item #: PRT-11214 -

MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy to switch a battery supply on and off using your favorite microcontroller. The board also has sewable pads so you can use it in e-textile projects that need more juice. The MOSFET Power Controller came about because microcontrollers, like the Arduino or LilyPad Arduino, can only supply a limited amount of current. Sometimes, though, you want to control something that...

SparkFun moto:bit - micro:bit Carrier Board (Qwiic)
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Price: $130.00
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Sparkfun Item #: DEV-15713 -

The SparkFun moto:bit is a fully loaded "carrier" board for the micro:bit that, when combined with the micro:bit, provides you with a fully functional robotics platform. The moto:bit offers a simple, beginner-friendly robotics controller capable of operating a basic robotics chassis. Onboard each moto:bit are multiple I/O pins, as well as a vertical Qwiic connector, capable of hooking up servos, sensors and other circuits. At the flip of the switch you can get your micro:bit moving! The...

SparkFun Motor Driver - Dual TB6612FNG (1A)
Price: $9.31
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Sparkfun Item #: ROB-14451 -

The TB6612FNG Motor Driver can control up to two DC motors at a constant current of 1.2A (3.2A peak). Two input signals (IN1 and IN2) can be used to control the motor in one of four function modes: CW, CCW, short-brake and stop. The two motor outputs (A and B) can be separately controlled, and the speed of each motor is controlled via a PWM input signal with a frequency up to 100kHz. The STBY pin should be pulled high to take the motor out of standby mode. Logic supply voltage (VCC) can be in...

SparkFun Motor Driver - Dual TB6612FNG (with Headers)
Price: $10.00
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Sparkfun Item #: ROB-14450 -

The TB6612FNG Motor Driver can control up to two DC motors at a constant current of 1.2A (3.2A peak). Two input signals (IN1 and IN2) can be used to control the motor in one of four function modes: CW, CCW, short-brake and stop. The two motor outputs (A and B) can be separately controlled, and the speed of each motor is controlled via a PWM input signal with a frequency up to 100kHz. The STBY pin should be pulled high to take the motor out of standby mode. Due to popular demand, this version...

SparkFun Multiplexer Breakout - 8 Channel (74HC4051)
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Price: $4.58
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Sparkfun Item #: BOB-13906 -

The SparkFun Multiplexer Breakout provides access to all pins and features of the 74HC4051, an 8-channel analog multiplexer/demultiplexer. The 74HC4051 allows you to turn four I/O pins into eight multifunctional, individually selectable signals, which can be used to do everything from driving eight LEDs to monitoring eight potentiometers. The 74HC4051 can function as either a multiplexer or a demultiplexer, and it features eight channels of selectable inputs/outputs. The routing of common...

SparkFun Noisy Cricket Stereo Amplifier - 1.5W
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Price: $19.35
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Sparkfun Item #: DEV-14475 -

You won't need a series four de-atomizer with our rendition of the Noisy Cricket, just wire it up and crank up your tunes! The Noisy Cricket Stereo Amplifier, uses the LM4853 Boomer® IC which can be configured to output up to 1.5W of power in mono operation (4Ω load) or 300mW per channel in stereo operation (8Ω load). The amplifier comes with a dual-ganged pot with a built-in switch to control power and adjust both left and right channel gain. The SparkFun Noisy Cricket has been designed as an...

SparkFun OBD-II UART
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Price: $88.25
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Sparkfun Item #: WIG-09555 -

This board allows you to interface with your car's OBD-II bus. It provides you a serial interface using the ELM327 command set and supports all major OBD-II standards such as CAN and JBUS. The board also provides a footprint which mates directly to our FTDI Basic. The DB9 connector mates with our DB9 to OBD-II cable listed below. On-Board Diagnostics, Second Generation (OBD-II) is a set of standards for implementing a computer based system to control emissions from vehicles. It was first...

SparkFun OpAmp Breakout - LMV358
Price: $9.90
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Sparkfun Item #: BOB-09816 -

This is a simple 5V Op Amp breakout board, set up as a 2-stage amplifier with a gain of 100 (gain of 10 for each stage). The on-board trim pot sets the signal level between the stages, not the feedback path. The bandwidth is set to 15.9kHz by a pair of feedback capacitors, or over 100kHz with the caps removed. The LMV358 opamp can source up to 160mA and works well as a low impedance driver/buffer. Documents: Schematic Eagle Files Introduction to Op Amps with LTSpice Datasheet (LMV358) GitHub...

SparkFun Opto-isolator Breakout
Price: $9.24
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Sparkfun Item #: BOB-09118 -

This is a board designed for opto-isolation. This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This board electrically isolates a controller from the high-power system by use of an opto-isolator IC. This IC has two LEDs and two photodiodes built-in. This allows the low-voltage side to control a high voltage side. We often use this board to allow a microcontroller control servos or other motors that use a higher voltage than the...

SparkFun Power Delivery Board - USB-C (Qwiic)
Price: $41.58
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Sparkfun Item #: DEV-15801 -

It's time to effectively manage the power distribution into your project and with the SparkFun Power Delivery Board, you can! Traditional power adapters can provide a wide range of current but the voltage stays fixed at 5V. With the SparkFun Power Delivery Board's USB-C connection it has the ability to achieve higher voltages, typically 5-20V and up to 100W of power. The Power Delivery Board uses a standalone controller to negotiate with the power adapters and have them switch to a higher...

SparkFun ProDriver - Stepper Motor Driver (TC78H670FTG)
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Price: $33.25
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Sparkfun Item #: ROB-16836 -

The SparkFun ProDriver makes it easy to start developing with the TC78H670FTG bipolar stepper motor driver from Toshiba! Latch terminals provide instant solder-less connections to every feature offered. Use our extensive Arduino Library with 10 examples, and you can quickly explore the many features of this precise and small package size motor driver IC. In addition to high resolution control (down to 1/128th of a step), the ProDriver can be controlled via traditional clock-in stepping or...

SparkFun Qwiic 12 Bit ADC - 4 Channel (ADS1015)
Price: $18.20
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Sparkfun Item #: DEV-15334 -

A lot of the time you just need to add more analog inputs to solve a problem. It happens. The SparkFun Qwiic 12 Bit ADC can provide four channels of I2C controlled ADC input to your Qwiic enabled project. These channels can be used as single-ended inputs, or in pairs for differential inputs. What makes this even more powerful is that it has a programmable gain amplifier that lets you "zoom in" on a very small change in analog voltage (but will still effect your input range and resolution)....

SparkFun Qwiic Adapter
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Price: $2.50
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Sparkfun Item #: DEV-14495 -

The SparkFun Qwiic Adapter provides the perfect means to make any old I2C board into a Qwiic-enabled board. This adapter breaks out the I2C pins from the Qwiic connectors to pins that you can easily solder with your favorite I2C-enabled device. The Qwiic Adapter has two Qwiic connection ports, all on the same I2C bus. Four plated through holes are broken out for SCL, SDA, 3.3V and GND. These pins can be used to convert an old I2C-enabled device into a Qwiic-enabled board. The SparkFun Qwiic...

SparkFun Qwiic Button - Green LED
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Price: $8.75
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Sparkfun Item #: BOB-16842 -

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...

SparkFun Qwiic Button - Red LED
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Price: $9.20
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Sparkfun Item #: BOB-15932 -

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,...

SparkFun Qwiic Button Breakout
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Price: $6.58
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Sparkfun Item #: BOB-15931 -

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...

SparkFun Qwiic Dual Solid State Relay
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Price: $250.00
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Sparkfun Item #: COM-16810 -

The SparkFun Qwiic Dual Solid State Relay is a power delivery board that allows users to switch two AC loads from a low power microcontroller using the SparkFun Qwiic connect system. The board features two 25A/250VAC solid state relays that utilize the Zero Cross Trigger method so you can toggle two loads on a 60Hz AC carrier signal on and off up to 120 times per second! An ATTiny84 acts as the "brain" of the SparkFun Qwiic Dual Solid Relay to accept I2C commands to toggle the two relays as...