Adafruit boards

Adafruit · Arduino

A FM radio transmitter with RDS/RBDS support for audio and data transmission.

Adafruit

A precision clock generator breakout board that can generate frequencies from 8kHz to over 150MHz using an I2C interface.

Adafruit · N/A

A simple resistive soil moisture sensor with two gold-plated prongs for measuring conductivity between them.

Adafruit · ATSAMD21 Microcontroller

A compact development board featuring a slide potentiometer, capacitive touch pad, USB connector, NeoPixel LEDs, and reset button.

Adafruit · Teensy 3.2/3.5/3.6

A board for playing animated GIFs on an RGB LED matrix panel using a Teensy microcontroller and SmartMatrix shield.

Adafruit · Adafruit Feather RP2040

The Spa06 003 is a low-cost temperature and pressure sensor with I2C and SPI interfaces, designed for easy integration into projects.

Adafruit · Raspberry Pi

A board designed for audio output with labeled pins for power, ground, and I2C communication.

Adafruit · Arduino

A SPI flash breakout board for Arduino with level shifting, 3.3V regulator, and pullup on CS.

Adafruit · N/A

SPI FRAM breakout board with 8KB of storage, operates at up to 20MHz SPI rates.

Adafruit · N/A

An RFID tag that can be reprogrammed over I2C and used as an 'I2C to RFID' transfer system.

Adafruit · Matrix Portal M4

A backlit LED matrix display with interactive buttons for adjusting brightness and displaying animated segments.

Adafruit

A breakout board for the STCC4 CO2 sensor and SHT41 temperature/humidity sensor, featuring I2C connectivity and optional STEMMA QT connectors.

Adafruit

A small mono amplifier capable of delivering up to 2.5W into 4-8Ω speakers, with built-in thermal and over-current protection.

Adafruit · Adafruit Circuit Playground Bluefruit

The STEMMA Non-Latching Mini Relay is a solder-free relay board that can control up to 2A of resistive current at 30VDC or ~40VAC. It uses a single Signal pin (white wire) to switch between COM and NO pins.

Adafruit · n/a

A breakout board for the PAM8904 amplifier, designed to drive piezo elements with up to 3x gain and 13Vpp output.

Adafruit

A reflective photo interrupt sensor with an onboard TCRT1000 module, powered by 3-5V DC. Outputs a digital signal based on IR light detection.

Adafruit · ATSAMD10

A simple soil moisture sensor with a built-in capacitive touch measurement system, interfaced via I2C.

Adafruit · Circuit Playground Express

The Adafruit STEMMA Speaker board includes a speaker, amplifier, and JST connectors for power and audio output.

Adafruit

A FeatherWing for controlling DC motors and stepper motors, featuring dedicated PWM drivers over I2C.

Adafruit

A small, efficient stereo Class D amplifier capable of delivering up to 3.7W into 3Ω speakers with built-in protection and selectable gains.

Adafruit · N/A

Adafruit STHS34PF80 IR Presence/Motion Sensor with I2C interface, suitable for small enclosures.

Adafruit

The Stspin220 Stepper Motor Driver Breakout Board allows controlling stepper motors using only two GPIO pins for direction and step control, with up to 1/256 microstepping.

Adafruit

A GPIO expander with keypad matrix driver capabilities, featuring 18 I/O pins over I2C.

Adafruit · Adafruit TCS3430 / TCS34303

A modern color sensor with CIE XYZ plus IR diode sensors, compatible with I2C and various microcontrollers.