Centimeter precision GPS/GNSS using L1/L2 signals broadcast over Bluetooth SPP (using the ESP32) in an easy to use enclosure.

Centimeter precision GPS/GNSS using L1/L2/L5 signals broadcast over Bluetooth, WiFi, and Ethernet.

A simple to use radio modem for long distances using LoRa.

A tutorial on how to build your own headphones with ambient microphones for loud environments.

Arduino Library for SparkFun's OLED Qwiic (I²C) boards

Arduino library for the SparkFun AS7331 Qwiic Spectral UV Sensor, which measures UV radiation on three channels, UVA, UVB, and UVC, with high sensitivity and accuracy.

Arduino library for the SparkFun Qwiic Pulsed Coherent Radar Sensor – Acconeer XM125.

Arduino library for the SparkFun Optical Tracking Odometry Sensor

ESP32-WROOM Thing Plus with USB-C.

Toolkit of common functionality for use within SparkFun Libraries

SparkFun's RTK Evaluation Kit: ESP32-WROVER, ZED-F9P, NEO-D9S, LARA-R6001D, W5500

A SparkFun Thing Plus development board for the ESP32-S3.

Documentation and hardware Files for the SparkFun BlueSMiRF v2. These boards work as a wireless serial UART pipe and are a great wireless replacement for serial cables. Simply pair, connect, and transmit serial data between your TX/RX lines! Any serial stream from 2400 to 921600 baud can be passed seamlessly between two devices.

Tutorial and hardware files for the SparkFun Thing Plus NORA-W306, a dual-band WiFi (2.4GHz & 5GHz) and BLE 5.3 module by u-blox.

The SparkFun Thing Plus - RA6M5 is a development board featuring the high-performance RA6M5 microcontroller from Renesas, which is perfect for real-time applications.

The SparkFun GNSS Disciplined Oscillator (GNSSDO) is a precision time and frequency reference based on the Septentrio mosaic-T GNSS receiver. It features a disciplined 10MHz TCXO oscillator, aluminum enclosure, Ethernet, PTP broadcast, data logging, multiple power options, and supports the Fugro AtomiChron timing service.

Arduino Library for the SparkFun Qwiic Ultrasonic Distance Sensor - TCT40

Tutorial and hardware files for a digital switch capable of switching DC loads up to 12V. Includes 3.3V Buck Regulator, N-channel MOSFET low-side switch circuit, and flyback diode on the load side.

Arduino Library for the SparkFun Qwiic Buzzer

An I²C-controlled Qwiic device that provides solderless plug-and-play buzzer sounds!