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1-Wire to Qwiic Bridge - DS28E17
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Price: $24.03
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Sparkfun Item #: SPX-14291 -

"The 1Wire-to-Qwiic Bridge allows you to communicate via I2C over very long distances. It does so by utilizing the 1Wire communication protocol, which can communicate at distances of up to about 100 meters, depending on the application. The I2C information is packetized as a 1Wire packet, sent over the 1Wire bus to the DS28E17 Bridge, and translated to I2C for any slave device connected to the Bridge. Communication happens bi-directionally. Please note that the DS28E17 is a 1Wire IN/ I2C OUT...

CO Humidity and Temperature Sensor - SCD30
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Price: $114.70
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Sparkfun Item #: SPX-14751 -

"The SCD30 from Sensirion is a high quality NDIR based CO₂ sensor capable of detecting 400 to 10000ppm with an accuracy of ±(30ppm+3%). In order to improve accuracy the SCD30 has temperature and humidity sensing built-in, as well as commands to set the current altitude. We’ve written an Arduino library to make reading the CO₂, humidity, and temperature very easy. It can be downloaded through the Arduino Library manager: search for ‘SparkFun SCD30’ or it can...

Distance Sensor 4m (Qwiic) - VL53L1X
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Price: $50.13
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Sparkfun Item #: SPX-14667 -

"The VL53L1X is the latest Time Of Flight (ToF) sensor to be released. It uses a VCSEL (vertical cavity surface emitting laser) to emit a class 1 IR laser and time the reflection to the target. (You can’t see the laser but cell phones can) What does all this mean? You can measure the distance to an object up to 4 meters away with millimeter resolution! That’s pretty incredible. We’ve written an Arduino library for the VL53L1X that allows you to read the distance, signal rate,...

Environmental Sensor (Qwiic) - BME680
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Price: $40.08
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Sparkfun Item #: SPX-14570 -

"The BME680 from Bosch is a powerful sensor capable of sensing humidity, barometric pressure, temperature and indoor air quality. The BME680 can communicate over SPI or I2C (default). The SparkX carrier board provides jumpers to select between communication protocols (SPI or I2C) as well as the ability to change the I2C address and remove the I2C pull up resistors. The carrier board also incorporates two Qwiic connectors so you can start talking to the board immediately - no soldering...

Flexible Grayscale Display - 1.81"
Price: $100.35
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Sparkfun Item #: SPX-14543 -

"This is a small flexible, grayscale OLED display. That’s right, we said flexible. We’ve been hearing about flexible displays for years, it’s finally here! You can’t fold it like paper but this OLED from Wisechip can be bent to a 40mm radius without damage. The display is than 0.5mm thick, less than 0.5 grams, and can display some impressive graphics with great contrast. The OLED display is 1.81" long with 160x32 4-bit grayscale pixels. The interface is 3-wire SPI and...

Grid-EYE Infrared Array (Qwiic) - AMG8833
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Price: $70.22
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Sparkfun Item #: SPX-14568 -

"The GridEYE from Panasonic is a 8 by 8 thermopile array. This means you have an array of 64 pixels each capable of detecting temperature remotely. It’s like having thermal camera (or Predator’s vision) just in really low resolution. The SparkX Grid-EYE Qwiic carrier board utilizes the high performance, high gain 3.3V AMG88 sensor. Do not hook 5V to this beast! Better yet, use the Qwiic system - it makes it much easier and quicker to get started. The SparkX carrier board...

Infrared Non-contact Thermometer (Qwiic) - MLX90632
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Price: $40.08
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Sparkfun Item #: SPX-14569 -

"Have you ever used one of those noncontact temp guns? This is the newest and smallest version that sensor. Point the MLX90632 at an object and remotely get its temperature within 1 degree C. This is a fun little sensor to play with! The MLX90632 is basically MLX90614 that we currently sell but in the smaller and easier to use SMD package. The MLX90632 has a shocking resolution of 0.02C from -20 to 85C, a very low supply current of 1mA, and a field of view of 50 degrees. Default read rate is...

Joystiic v1.1 - Qwiic Joystick Breakout
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Price: $15.97
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Sparkfun Item #: SPX-14656 -

"This analog joystick has a feel that’s reminiscent of the PlayStation 2 controller and for that reason it’s become a favorite of ours. The only thing that could make it better is a “smart” version, so we made one! This thumbstick will report its position over I2C and is designed to be compatible with the Qwiic system so you can add it to your project solder-free! The Joystiic’s I2C address is software selectable so you can add a bunch of them to the same bus with...

Magnetic Imaging Tile - 8x8
Price: $301.26
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Sparkfun Item #: SPX-14652 -

"The Magnetic Imaging Tile uses an array of 64 hall effect sensors to convert magnetic fields to the visual spectrum. That’s right! You can now see magnetic fields in real time! As is to be expected, there are caveats: the magnetic sensors used on the tile are some of the most sensitive on the market but you need to be within 1 to 2 centimeters of the tile to get a good image. The Magnetic Imaging Tile uses the following components: Magnetic Sensor (64 pixels): DRV5053VA -90mV/mT...

Nuclear Battery Kit (Bring Your Own Tritium)
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Price: $68.97
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Sparkfun Item #: SPX-14773 -

"After we caught sight of some very cool folks online making their very own homemade nuclear batteries, we knew we had to give it a go! The device in question is actually known as a “Radioisotope Photovoltaic Generator” or “Photobetavoltaic Generator,” and it’s a pretty clever design: Glowing glass pills filled with Tritium gas and coated in a phosphorescent material are sandwiched between two photovoltaic cells. The beta radiation emitted by the Tritium is...

Pressure Sensor (Qwiic) - MS5637
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Price: $13.96
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Sparkfun Item #: SPX-14688 -

"MEMs based barometric pressure sensors are quite common these days. The Qwiic Pressure Sensor with the MS5637 shines by being the most sensitive barometric pressure sensor we have come across. It is capable of detecting the difference in 13cm of air! And the MS5637 is low cost and easy to use to boot. The Qwiic Pressure Sensor for the MS5637 is a very sensitive, fully calibrated, low power, easy to use barometric pressure sensor. It’s perfect for home weather stations, detecting changes...

Proximity Sensor 20cm (Qwiic) - VCNL4040
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Price: $13.96
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Sparkfun Item #: SPX-14690 -

"The VCNL4040 is a simple IR presence and ambient light sensor. This sensor is excellent for detecting if something has appeared in front of the sensor. We often see this type of sensor on automatic towel dispensers, automatic faucets, etc. You can detect objects qualitatively up to 20cm away. This means you can detect if something is there, and if it is closer or further away since the last reading, but it’s difficult to say it is 7.2cm away. If you need quantitative distance readings...

Qwiic Cable Kit
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Price: $10.21
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Sparkfun Item #: SPX-14749 -

"Not sure which Qwiic cable to grab? Then grab the Qwiic Cable Kit and save some money! It has a little something for everyone. Kit Includes: 3 compact 50mm cables 3 ‘Just Right’ 100mm cables 1 200mm cable 1 crazy long 500mm cable 1 BreadBoard to Qwiic cable for wiring a Qwiic device to any micro or for soldering to an I2C to get it onto the Qwiic system Videos " ...

Qwiic Distance Sensor - RFD77402
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Price: $32.06
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Sparkfun Item #: SPX-14343 -

"The Qwiic Distance Sensor uses the new RFD77402 Time of Flight sensor. This sensor is special in that it uses an infrared VCSEL or vertical-cavity surface-emitting laser to measure the amount of time it takes to bounce off a target. This allows low-cost millimeter readings up to 2 meters! The VCSEL is a class 1 laser product so it is safe for almost all applications. The sensor doesn’t emit visible light but most cell phones can see it! We’ve written an RFD77402 Arduino library...

Qwiic EEPROM - 512Kbit
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Price: $5.82
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Sparkfun Item #: SPX-14764 -

"Add some serious data storage to your latest project with this 512Kbit (64KB) EEPROM. Some flash based microcontrollers (like the SAMD21) do not have EEPROM. Use the Qwiic EEPROM for storing things like GPS waypoints and other user settings that need to be maintained between sketch uploads. With EEPROM, your data is maintained even through power cycles. Qwiic EEPROM has 3 address jumpers, allowing for up to 8 EEPROMs on one bus. This board is one of our many Qwiic compatible boards! Simply...

Qwiic GPIO
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Price: $11.58
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Sparkfun Item #: SPX-14716 -

"Do you find yourself wishing that you had just a few more GPIO pins? What if you only need that one more pin? You could add another microcontroller to your project but that increases cost and complexity. Instead, you can use the Qwiic GPIO to add eight new pins to your Qwiic project! The Qwiic GPIO is an I²C device which adds an additional eight IO pins which you can read and write just like any other digital pin on your controller. The details of the I²C interface have been taken...

Qwiic IR Array - MLX90640 110 FOV
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Price: $118.30
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Sparkfun Item #: SPX-14768 -

"The MLX90640 contains a 32x24 array of thermopile sensors creating, in essence, a low resolution thermal imaging camera. As the images show you can detect surface temperatures from many feet away with an accuracy of ±1.5°C (best case). We’ve packaged the MLX90640 on an easy to use Qwiic board with mounting holes and a smattering of decoupling caps. We’ve written an example Arduino sketch and Processing app to get started with the sensor quickly! The MLX90640 occupies a...

Qwiic IR Array - MLX90640 55 FOV
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Price: $118.30
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Sparkfun Item #: SPX-14769 -

"The MLX90640 contains a 32x24 array of thermopile sensors creating, in essence, a low resolution thermal imaging camera. As the images show you can detect surface temperatures from many feet away with an accuracy of ±1.5°C (best case). We’ve packaged the MLX90640 on an easy to use Qwiic board with mounting holes and a smattering of decoupling caps. We’ve written an example Arduino sketch and Processing app to get started with the sensor quickly! The MLX90640 occupies a...

Qwiic Keypad
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Price: $19.99
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Sparkfun Item #: SPX-14660 -

"Keypads are very handy input devices. And there are many great libraries written to interface to keypads! But who wants to tie up 7 GPIOs, have a handful of pull up resistors, and write firmware that scans the keys taking up valuable megahertz? Let’s make it easier! The Qwiic Keypad uses very simple I2C commands to read what button was pressed. It also implements a stack with time stamps for each key press so you don’t need to constantly poll the keypad. Qwiic Keypad even has a...

Qwiic LED Stick
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Price: $19.63
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Sparkfun Item #: SPX-14783 -

"The Qwiic LED Stick features ten addressable APA102 LEDs, making it easy to add full color LED control using I2C. Write to individual LEDs to display a count in binary, or write to the whole strip for cool lighting effects. You can even add more LEDs to the end if you need to1. We’ve written an Arduino library that takes care of the I2C and communication to the LEDs so all you have to do is decide what color each LED should be. The LED Stick has a default I2C address of 0x23 but can be...

Qwiic Magnetometer - MLX90393
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Price: $30.04
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Sparkfun Item #: SPX-14294 -

"The MLX90393 is a tri-axial magnetic sensor capable of sensing very small fields (like the Earth’s magnetic field) while behaving as one would want and expect during saturation in larger fields (like a near by magnet). It turns out the favorite HMC5883L and other such sensors that are intended for compass applications have a low dynamic range but also strange and undefined behavior in large fields. Ted Yapo did an incredibly extensive characterization of the sensor over on Hackaday. He...

Qwiic Module for Tessel 2
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Price: $7.94
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Sparkfun Item #: SPX-14334 -

"The Qwiic Module for Tessel 2 connects the I2C bus (GND, 3.3V, SDA, and SCL) on the Tessel 2 to the SparkFun Qwiic system. Just plug the module onto either Tessel Port (A or B), plug in a cable, and start playing with a variety of sensors and actuators. There are two connectors, all on the same I2C bus, so you can connect multiple devices. The module comes soldered with a male header so you can get started immediately! We also exposed a 2nd row of hardware pins so that you can create...

Qwiic MP3 Trigger
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Price: $38.82
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Sparkfun Item #: SPX-14714 -

"Sometimes you just need an MP3 to play. Whether it’s a sound track as you enter the room or a pirate cackling when a dollar gets donated to the kid’s museum. The Qwiic MP3 Trigger takes care of all the necessary bits, all you need to do is send a simple I2C command and listen. We’ve tried to think of everything a user may need. The Qwiic MP3 Trigger comes with a microB connector and the WT2003S MP3 decoder IC that gives you access to the files on the microSD card. Simply...

Qwiic Mux - PCA9548A
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Price: $30.04
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Sparkfun Item #: SPX-14293 -

"The Qwiic Mux - PCA9548A enables communication with multiple I2C devices that have the same address and between different bus voltages (2.8V, 3.3V, and 5V). The PCA9548A is a very easy to use I2C multiplexer enabling up to 8 buses. This means you can communicate with 8 of the same device or mix and match between 5V, 3.3V and 2.8V devices. The PCA9548A can be daisy chained as well, so, if needed, you can use up to eight of the shields at the same time enabling a whopping 64 buses. Some I2C...

Qwiic OpenLog
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Price: $30.04
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Sparkfun Item #: SPX-14641 -

"The Qwiic system makes it easy to read all sorts of sensors, but what if you want to log that data? Qwiic OpenLog is an easy to use I2C based data logger. Insert a microSD card (512MB all the way up to 32GB), write some simple code: myLog.print("The battery voltage is:"); myLog.print(batteryVoltage); And your data will be recorded to LOG00001.TXT on the microSD card for later review. The Qwiic OpenLog can store or “log” huge amounts of serial data and act as a black box of sorts...

Qwiic Pressure Sensor - LPS25HB
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Price: $19.63
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Sparkfun Item #: SPX-14767 -

"The LPS25HB is an absolute pressure sensor which means that it has an internal vacuum as a reference. (As opposed to differential and gage sensors, see this description by Honeywell for more info) Absolute pressure sensors are often used as altimeters however they can be seen in other applications like the Robotic Finger Sensor v2. You can use this absolute pressure sensor to inform a drone autopilot of altitude, make a personal weather station, or maybe even help test someone’s lung...

Qwiic Relay
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Price: $18.58
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Sparkfun Item #: SPX-14712 -

"Have you ever wanted to control something powerful? Have you ever needed to turn on/off a high power device from your Arduino? Now you can with the Qwiic Relay! This device allows you to control large power loads with simple I2C commands. The Qwiic Relay is perfect for large inductive loads like DC motors. The Qwiic Relay comes with a default I2C address of 0x18 but can be changed with a simple command allowing you to control over 100 Qwiic Relays on a single bus!1 In addition, there is an...

Qwiic RTC - RV-1805
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Price: $40.08
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Sparkfun Item #: SPX-14642 -

"The Qwiic RTC from SparkFun is a very unique and exciting Real Time Clock. It is extremely precise (within 3 minutes over a year!), extremely low power (less than 22nA!) and has all the necessary oscillators and back-up power making it very compact. The RV-1805 from Micro Crystal has not one, but two internal oscillators: a 32.768kHz tuning fork crystal and a low power RC based oscillator. The RV-1805 automatically switches between oscillators using the more precise crystal to correct the RC...

Qwiic Starter Kit
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Price: $98.57
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Sparkfun Item #: SPX-14752 -

"The Qwiic Starter Kit was designed to allow users to get started with Arduino without the need for soldering or breadboarding. Hooking up a handful of inputs and outputs to an Arduino has never been so easy. The Qwiic Starter Kit includes three inputs: a joystick, accelerometer, and proximity sensor, and one small display for outputting text, graphics, or even a microPong game! The BlackBoard by SparkFun is an Arduino Uno derivative with a variety of feature improvements. We’ve...

Qwiic To Grove Cable
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Price: $2.92
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Sparkfun Item #: SPX-14739 -

"The SparkFun Qwiic system is expanding greatly. But we understand there are other systems out there. The Qwiic to Grove cable allows interoperability between the SparkFun Qwiic system and the I2C based Grove boards from Seeed Studio. Now you can plug any Seeed Studio boards you may have onto the Qwiic bus. Or you can use this cable to introduce Qwiic sensors, inputs and outputs onto your Grove system. Please note that the Grove system has a variety of different signal systems that use the...

Qwiic Transparent OLED HUD
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Price: $200.81
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Sparkfun Item #: SPX-14691 -

"Everyone who sees this display lit up says it looks like something from a sci-fi movie. The OLED segments on this transparent display look almost like they’re floating in mid-air! Designed for use in vehicle heads-up displays, this OLED panel is brilliant in the dark but easily visible in daylight. The display is “area colored” meaning that while no one segment can change colors, there are different colored segments on the display. Our Qwiic breakout board allows you to...

Qwiic UV Sensor - ZOPT2201
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Price: $19.99
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Sparkfun Item #: SPX-14264 -

"It’s beautiful here in Boulder, Colorado, but any newcomer to the area quickly discovers our wonderful 300 days of sunshine is tempered with the fact that Boulder is located at 5,430 ft (1655m) above sea level. You can get a sunburn incredibly fast here! The ZOPT2201 is an excellent UVBS (ultraviolet energy sensor) in that it does true 310nm UVB sensing, not interpolated UV from ambient light like most sensors on the market. Without fuss or weird look up tables this sensor gives the...

RGB Panel Mega Shield
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Price: $13.52
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Sparkfun Item #: SPX-14753 -

"RGB panels are excellent fun but wiring them up can be a pain. This simple shield for Arduino connects the necessary 14 digital pins to drive our 32x32 RGB panel and our larger 32x64 RGB panel. This comes as a bag of parts but once you’ve soldered the handful of components it’s as easy as plugging on the 2x8 connector from the RGB panel to the shield and you’re off to the races. We tried to add extra connections to all the main GPIOs as well as a bit of prototyping space so...

RGB Panel Shield
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Price: $9.63
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Sparkfun Item #: SPX-14721 -

"RGB panels are excellent fun but wiring them up can be a pain. This simple shield for Arduino connects the necessary 14 digital pins to drive our 32x32 RGB panel. This comes as a bag of parts but once you’ve soldered the handful of components it’s as easy as plugging on the 2x8 connector from the RGB panel to the shield and you’re off to the races. This shield is guaranteed to work with our 32x32 RGB panel but has been designed to work with nearly all 32x32 pixel panels...

RGB Sensor (Qwiic) - BH1749NUC
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Price: $19.36
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Sparkfun Item #: SPX-14733 -

"Need to autonomously monitor for that specific color value? Want to hone in on that magenta ball? Or follow that aquamarine line? The BH1749NUC-based Qwiic RGB Sensor is here for all of your red, green, blue, and infrared color-sensing needs. The BH1749NUC features an I2C interface and a programmable interrupt output. It senses red, green, blue, and infrared in its field-of-view, then reports each channel as a 16-bit value. Additionally, it features programmable IR and RGB gains and a...

Robotic Finger Sensor v2
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Price: $78.83
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Sparkfun Item #: SPX-14687 -

"Does your robot crush objects with its hulkishly strong grip? Give your robotic hand or claw a better sense of touch with the Robotic Finger Sensor. This new version adds pressure sensing so now you can know how hard you’re gripping! The Robotic Finger Sensor (RFS) uses a unique combination of infrared distance sensing, pressure sensing, optical encapsulant, and data filtering to detect extremely light touches. Additionally, the silicon covering is squishy, giving the sensor increased...

Rotary Dial Kit
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Price: $49.23
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Sparkfun Item #: SPX-14790 -

"The Rotary Dial Kit is designed to be a simple interface device for your project. Input is achieved using a rotating encoder bezel and output is handled by a ring of addressable RGB LEDs along the inside edge of the ring. Two keyhole hangers are milled into the back of the Rotary Dial so it can be wall mounted. The LED ring comes pre-soldered, so the only assembly required is to solder the three included SMD pogo pins and then bolt the PCBs together using the supplied standoffs! A 5-pin 0.1"...

SparkFun BlackBoard
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Price: $29.09
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Sparkfun Item #: SPX-14669 -

"The BlackBoard from SparkFun is everything you need in an Arduino Uno with many extra perks. BlackBoard has all of the hardware peripherals you know and love: 14 Digital I/O pins with 6 PWM pins, 4 Analog Inputs, UART, and SPI with a handful of external interrupt pins. BlackBoard even has an SMD ISP header to connect SPI pins to shields. We’ve applied every lesson we’ve learned about making a better Uno and created the BlackBoard. The USB to serial is now done with the ubiquitous...

SparkX Pro RF - LoRa-enabled 915MHz
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Price: $49.23
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Sparkfun Item #: SPX-14785 -

"The Pro RF is the mind meld of a Pro Micro and a long-range RFM95W LoRa®-enabled radio. What you get is a very compact, easy to use Arduino with excellent point to point data transmission in the 915MHz ISM band. The Pro RF comes with a LiPo connector, a on-board LiPo charger, and a slide switch for On/Off. The board programs over a reinforced microB connector with a sleek reset button that fits nicely on the side of the board. We’ve even added our popular Qwiic connector to the...

SparkX Pro RF - RFM69 915MHz
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Price: $45.29
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Sparkfun Item #: SPX-14757 -

"The Pro RF is the mind meld of a Pro Micro and our high-power RFM69 breakout board. What you get is a very compact, easy to use Arduino with excellent point to point data transmission in the 915MHz ISM band. The Pro RF comes with a LiPo connector, a on-board LiPo charger, and a slide switch for On/Off. The board programs over a reinforced microB connector with a sleek reset button that fits nicely on the side of the board. We’ve even added our popular Qwiic connector to the edge of the...

SparkX Qwiic RF - LoRa-enabled 915MHz
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Price: $39.37
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Sparkfun Item #: SPX-14788 -

"Qwiic RF is a packet radio system that’s designed for sending short packets of sensor data from one Qwiic bus to another. Messages sent by one Qwiic RF are cached by the receiving Qwiic RF until they can be retrieved over the Qwiic bus. We’ve even written an Arduino library to do most of the work for you! The RF Backbone of the Qwiic RF is the HopeRF RFM95W LoRa®-enabled radio module. This module is extremely long-range for its power class. Using only the attached patch...

TF02 - LiDAR Rangefinder
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Price: $301.26
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Sparkfun Item #: SPX-14578 -

"The TF02 a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as far as 22 meters away! Its light weight and small size, combined with an IP65 enclosure rating, make this an excellent sensor for obstacle avoidance even in outdoor ambient light conditions. The TF02 can communicate using either 3.3V UART at 115200 baud or the CAN protocol. Not to mention the dust tight, water resistant enclosure looks very tactical and futuristic. Point of Order: This product does...

TFMini - Micro LiDAR Module
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Price: $80.26
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Sparkfun Item #: SPX-14588 -

"The TFMini is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 30 centimeters and as far as 12 meters! As with all LiDAR sensors, your effective detection distance will vary depending on lighting conditions and the reflectivity of your target object, but what makes this sensor special is its size. Measuring only 42x15x16mm, the TFMini allows you to integrate LiDAR into applications traditionally reserved for smaller sensors such as the SHARP...

The Prototype HARP
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Price: $120.44
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Sparkfun Item #: SPX-14379 -

" Out-Of-Fiction A mysterious device... a rogue AI... a dark secret... The Prototype is a hardware alternate reality puzzle (HARP) designed to put your puzzle solving and hardware hacking skills to the test. In other words, it's an escape room on a board. To solve the puzzle you'll need a basic set of electronics and cryptography skills – or a couple of nerdy friends. As you make your way through you'll uncover the story of a failed project and the truth about what's really going on at...

USB Logic Analyzer - 25MHz/8-Channel
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Price: $39.37
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Sparkfun Item #: SPX-14789 -

"Is your I2C bus not ACK'ing the way you expect? Do you need to discover a UART’s mysterious baud rate? Or do you want to reverse engineer an SPI protocol? These all sound like jobs for a logic analyzer! With the growing ubiquity of UART, I2C, and SPI sensors, logic analyzers are becoming a tool everyone needs in their toolbox. While the features of this LA don’t quite measure up against those of, say, the Saleae Logic, it’s still a great tool for quickly diagnosing most...

UV Sensor (Qwiic) - VEML6075
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Price: $15.69
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Sparkfun Item #: SPX-14748 -

"Need to apply some sunscreen? SPF 15? SPF 50? SPF 5000? It’s time to consult the Qwiic VEML6075 UV sensor! The VEML6075 can detect the intensity of UVA (~365nm) and UVB (~330nm) waves. With a quick calculation, those values can be used to generate a standardized UV index – a value from 0 to 11+ which indicates the relative strength of UV irradiance. Seeing a UVI above 6-7? Find some shade, or slather on that sun screen! The VEML6075 features a simple I2C interface, so we stuck it...

VR IMU (Qwiic) - BNO080 High Precision
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Price: $100.35
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Sparkfun Item #: SPX-14618 -

"First, let us apologize for the product name; it’s hard to describe everything this sensor can do. The VR IMU uses the impressive BNO080 IMU. This IC has a combination triple axis accelerometer/gyro/magnetometer packaged with an ARM Cortex M0+ running powerful algorithms. The BNO080 Inertial Measurement Unit (IMU) produces accurate rotation vector headings, excellently suited for VR and other heading applications with a static rotation error of 2 degrees or less. It’s what...