GNSS / GPS Development Tools Professional-Grade Millimeter-Level GPS AccuracyWhen standard GPS accuracy of a few meters isn't good enough you need RTK. Real-Time Kinematics (RTK) technology has mastered high-precision positioning dialing in accuracy down to the millimeter. Th

Air Quality Sensors SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 (Qwiic)

Switch IC Development Tools Have you ever found the perfect sensor only to discover that it has the same I2C address as another device on your bus? Or worse you need to connect eight identical sensors to one microcontroller? The SparkFun Qwiic Mux Breakout is the simple powe

GNSS / GPS Development Tools The SparkFun NEO-M9N GPS Breakout with on-board chip antenna is a high quality GPS board with equally impressive configuration options. The NEO-M9N module is a 92-channel u-blox M9 engine GNSS receiver meaning it can receive signals from the GPS GL

Development Boards & Kits - AVR Here at SparkFun we refuse to leave 'good enough' alone. That's why we're adding to our line-up of Arduino-compatible microcontrollers once more! The SparkFun Qwiic Pro Micro is a revision of the original Pro Micro and is overall functionally the

Multiple Function Sensor Development Tools The SparkFun Pulse Oximeter and Heart Rate Sensor is an I2C based biometric sensor utilizing two chips from Maxim Integrated: the MAX32664 Biometric Sensor Hub and the MAX30101 Pulse Oximetry and Heart Rate Module. While the latter does all the sens

SparkFun Accessories The SparkFun Qwiic MicroPressure Sensor is a miniature breakout equipped with Honeywell's 25psi piezoresistive silicon pressure sensor. This MicroPressure Sensor offers a calibrated and compensated pressure sensing range of 60mbar to 2.5bar easy to

Development Boards & Kits - ARM The SparkFun Extended Qwiic Shield for Teensy provides you with a quick and easy way to enter SparkFun's Qwiic ecosystem with your Teensy boards. This shield connects to the I2C bus (GND 3.3V SDA and SCL) on your microcontroller to four SparkFun

Temperature Sensor Development Tools Get ready to be able to see like the Predator! The SparkFun Grid-EYE Infrared Array Breakout board is an 8x8 thermopile array meaning you have a square array of 64 pixels capable of independent temperature detection. It s like having a thermal cam

Temperature Sensor Development Tools Looking to keep a log of the climate in your greenhouse create a humidor control system or want to track temperature and humidity data for a weather station project? The SparkFun SHTC3 Humidity Sensor may be the perfect option for you! The SHTC3 is

SparkFun Accessories Buttons are an easy tactile way to interact with your project but why deal with debouncing polling and wiring up pull-up resistors? The Qwiic Button with a built-in red LED simplifies all those worries away into an easy-to-use I2C device. Util

SparkFun Accessories SparkFun Qwiic Shield for Arduino