Compact microcontroller boards that fit into textiles or tiny enclosures give projects a programmable core without adding bulk, while USB‑based AVR programmers let firmware be loaded quickly from a PC. Simple two‑pin pigtail connectors provide reliable, solder‑free links to LED strips or other low‑signal lines, and slide switches offer straightforward on/off control for LEDs, buzzers or sensors. Integrated inertial‑measurement units with a standard I²C‑compatible interface deliver nine‑axis data for motion‑aware applications, and single‑output constant‑current LED drivers enable precise dimming of high‑power LEDs via PWM or analogue voltage. Low‑profile stepper drivers and 3.3 V Arduino‑compatible boards round out the range, giving developers flexible, dependable parts that slot into a wide variety of wearable, battery‑powered and automation projects.
Code: SKU-005709
The SparkFun Lightning Detector adds lightning detection to your next weather station to make sure you are aware of any bad weather heading your way. More Details...
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Code: SKU-000423
This version of the QRE1113 breakout board features a digital output using a capacitor discharge circuit to measure the amount of reflection. More Details...
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Code: SKU-010245
The TMAG5273 Qwiic Sensor is a low-power 3D hall-effect sensor that is perfect for detecting and measuring changes in a nearby magnetic field. More Details...
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Code: SKU-005567
The SparkFun LiPo Charger Plus is the suped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) battery chargers. More Details...
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Code: SKU-003711
The SparkFun Load Cell Amplifier provides an easy way to interface with load cells and add precise weight measurement to your microcontroller projects. More Details...
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Code: SKU-003710
A bare PCB that converts 12 messy sensor wires into a clean 4-wire output, featuring footprints for long-distance Ethernet and temperature sensing. More Details...
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Code: COM-40018
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. More Details...
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Code: SKU-005273
With the SparkFun LumiDrive you will be able to control and personalize a whole strand of APA102s directly from the board itself. More Details...
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Code: SKU-010121
The SparkFun BMI270 Micro 6DoF IMU Breakout is a Qwiic-enabled breakout board based on the ultra-low power BMI270 from Bosch. More Details...
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Code: SKU-009301
The SparkFun Qwiic Micro MMC5983MA Magnetometer is a micro-sized 0.75in. by 0.30in. sensor that utilizes a highly sensitive triple-axis magnetometer. More Details...
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