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Measure indoor air quality with confidence.
Directly measure CO₂ while monitoring temperature and humidity, with environmental compensation and easy Qwiic connectivity.
SFA40 Formaldehyde Sensor
Accurate formaldehyde sensing for indoor air quality projects.
Measure HCHO from 0–2000 ppb with low cross-sensitivity, built-in environmental compensation, and easy Qwiic I²C integration.
SparkFun Non-Invasive Current Sensor
Measure AC current without breaking the circuit.
Pair the Qwiic-enabled ADE7953 current sensor with a 100A split-core current transformer for accurate, non-invasive current monitoring.
More speed and power than you ever thought possible in a microcontroller.
Automatically detects Qwiic sensors and starts logging data instantly—locally or to the cloud.
Our Latest & Greatest Products
SparkFun CO2 Sensor - STCC4/SHT40 (Qwiic) $30.95 As low as $26.31 In stock Compare Add to Wish List
SparkFun CO2 Sensor - STCC4/SHT40 (Qwiic)
SparkFun Formaldehyde Sensor - SFA40 (Qwiic) $49.95 As low as $42.46 In stock Compare Add to Wish List
SparkFun Formaldehyde Sensor - SFA40 (Qwiic)
SparkFun Non-Invasive Current Sensor Kit $28.95 As low as $24.61 In stock Compare Add to Wish List
SparkFun Non-Invasive Current Sensor Kit
SparkFun Non-Invasive Current Sensor - ADE7953 (Qwiic) $19.95 As low as $16.96 In stock Compare Add to Wish List
SparkFun Non-Invasive Current Sensor - ADE7953 (Qwiic)
Split-Core Current Transformer - 100A to 50mA $10.95 As low as $9.86 In stock Compare Add to Wish List
Split-Core Current Transformer - 100A to 50mA
Raspberry Pi Compute Module 5 64GB - 4GB RAM (Wireless) $150.00 In stock Compare Add to Wish List
Raspberry Pi Compute Module 5 64GB - 4GB RAM (Wireless)
SparkFun I2C Digital-to-Analog Converter Breakout - MCP4725 $4.75 As low as $4.04 In stock Compare Add to Wish List
SparkFun I2C Digital-to-Analog Converter Breakout - MCP4725
Espressif ESP-VoCat $69.95 In stock Compare Add to Wish List
Benewake TF-NOVA LiDAR Distance Sensor $39.95 In stock Compare Add to Wish List
Benewake TF-NOVA LiDAR Distance Sensor
SparkFun Current Sensor - INA237 (Qwiic) $9.95 As low as $8.46 In stock Compare Add to Wish List
SparkFun Current Sensor - INA237 (Qwiic)
SparkFun Current Sensor - INA228 (Qwiic) $14.95 As low as $12.71 In stock Compare Add to Wish List
SparkFun Current Sensor - INA228 (Qwiic)
SparkPNT Segmented Surveying Pole (1.8m) $120.00 As low as $108.00 In stock Compare Add to Wish List
SparkPNT Segmented Surveying Pole (1.8m)
SparkPNT Surveying Bipod Attachment $100.00 As low as $90.00 In stock Compare Add to Wish List
SparkPNT Surveying Bipod Attachment
Cherry MX2A Keyswitch - Red $1.95 As low as $1.76 In stock Compare Add to Wish List
Cherry MX2A Keyswitch - Red
Cherry MX2A Keyswitch - Blue $1.95 As low as $1.76 In stock Compare Add to Wish List
Cherry MX2A Keyswitch - Blue
Teensy 4.1 $31.50 As low as $26.49 In stock Compare Add to Wish List
LIDAR-Lite v3HP $169.99 In stock Compare Add to Wish List
Teensy 4.0, Lockable $23.80 As low as $19.95 In stock Compare Add to Wish List
Teensy 4.1 without Ethernet (Headers) $33.60 As low as $28.49 Backorder Compare Add to Wish List
Teensy 4.1 without Ethernet (Headers)
SMD LED - RGB WS2812B (Whole Reel) $499.95 As low as $449.96 In stock Compare Add to Wish List
SMD LED - RGB WS2812B (Whole Reel)
Raspberry Pi 5 - 8GB $180.00 In stock Compare Add to Wish List
HackRF Pro $400.00 In stock Compare Add to Wish List
NVIDIA Jetson Orin™ Nano Super Developer Kit $399.00 In stock Compare Add to Wish List
NVIDIA Jetson Orin™ Nano Super Developer Kit
Teensy 4.0 $23.80 As low as $19.95 In stock Compare Add to Wish List
Experiential Robotics Platform (XRP) Kit $119.95 In stock Compare Add to Wish List
Experiential Robotics Platform (XRP) Kit
Resistor Kit - 1/4W (500 total) $9.95 As low as $8.96 Backorder Compare Add to Wish List
Resistor Kit - 1/4W (500 total)
RockBLOCK 9603N - Iridium SatComm Module $299.95 In stock Compare Add to Wish List
RockBLOCK 9603N - Iridium SatComm Module
SparkFun Pulsed Coherent Radar Sensor - Acconeer XM125 (Qwiic) $49.95 As low as $42.46 Backorder Compare Add to Wish List
SparkFun Pulsed Coherent Radar Sensor - Acconeer XM125 (Qwiic)
SparkFun 9DoF IMU Breakout - ISM330DHCX, MMC5983MA (Qwiic) $45.74 As low as $38.88 In stock Compare Add to Wish List
SparkFun 9DoF IMU Breakout - ISM330DHCX, MMC5983MA (Qwiic)
MyoWare 2 Muscle Sensor $42.95 As low as $36.51 In stock Compare Add to Wish List
SparkFun VR IMU Breakout - BNO086 (Qwiic) $34.95 As low as $29.71 In stock Compare Add to Wish List
SparkFun VR IMU Breakout - BNO086 (Qwiic)
GNSS Multi-Band L1/L2/L5 Helical Antenna (SMA) $119.95 Backorder Compare Add to Wish List
GNSS Multi-Band L1/L2/L5 Helical Antenna (SMA)
GPIB-USB Controller $319.95 Backorder Compare Add to Wish List
USB Logic Analyzer - 24MHz/8-Channel $26.95 As low as $24.26 In stock Compare Add to Wish List
USB Logic Analyzer - 24MHz/8-Channel
SparkPNT RTK mosaic-X5 $1,249.95 As low as $1,062.46 In stock Compare Add to Wish List
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资料来源：企业官网公司简介（复核日期：2026-10-07）。