All Products

SKU: AF-4132

The Adafruit GPIO Expander Bonnet adds 16 extra digital I/O pins to your Raspberry Pi over I²C. Based on the MCP23017 chip, it plugs directly onto the Pi's 40-pin header and communicates via SDA/SCL, leaving your other GPIO pins free. Each pin can be configured as a digital output (up to 20 mA pe...

SKU: AF-2262

The Adafruit GPIO Reference Card makes it easy to identify and connect wires to the Raspberry Pi's GPIO header. This ultra-thin (0.8 mm) card slides directly onto the 2×13 GPIO header, labelling each pin by function — including I²C, UART, SPI, power, and general I/O — so you can wire up your proj...

SKU: AF-2263

The Adafruit GPIO Reference Card makes it easy to identify and connect wires to the Raspberry Pi's GPIO header. This ultra-thin (0.8 mm) card slides directly onto the 2×20 GPIO header, labelling each pin by function — including I²C, UART, SPI, power, and general I/O — so you can wire up your proj...

SKU: AF-4901

The Adafruit GPIO Reference Card for Raspberry Pi Pico is a pocket-sized, full-colour pinout diagram printed on durable card stock. It provides a quick visual guide to every pin on the Pico, clearly labelling power, PWM, SPI, Serial UART, I²C, and general GPIO functions so you can wire up your pr...

SKU: AF-4084

The Adafruit Grand Central M4 Express is a powerful development board built around the Microchip ATSAMD51P20 — a 120 MHz Cortex M4 processor with hardware floating point, 1 MB Flash, and 256 KB RAM. In the familiar Arduino Mega form factor, it brings 70 GPIO pins, dual DACs, 15 analog inputs, 8 M...

SKU: AF-4064

The Adafruit Grand Central M4 Express is a powerful development board built around the Microchip ATSAMD51P20 — a 120 MHz Cortex M4 processor with hardware floating point, 1 MB Flash, and 256 KB RAM. In the familiar Arduino Mega form factor, it brings 70 GPIO pins, dual DACs, 15 analog inputs, 8 M...

SKU: AF-5862 · MPN: ADA5862

The Adafruit Grove and STEMMA QT FeatherWing brings Seeed Studio's Grove plug-and-play ecosystem to Adafruit Feather boards. With three analog/digital connectors, one UART connector, two I²C connectors, and a vertical STEMMA QT port, you can quickly connect a range of Grove sensors and modules to...

SKU: AF-4627

The Adafruit H3LIS331 is an ultra-high-range triple-axis accelerometer capable of measuring up to ±400g across all three axes. Part of the ST LIS331 family, it's designed for applications where standard ±16g accelerometers aren't enough — from high-impact testing and industrial machinery monitori...

SKU: AF-1148

The Adafruit Half-size Perma-Proto Raspberry Pi Breadboard PCB Kit combines a prototyping board with a built-in Pi Cobbler breakout. Solder the included 2×13 box header onto the board, connect a 26-pin GPIO ribbon cable (not included), and you get labelled GPIO breakouts alongside a generous half...

SKU: AF-3900

The Adafruit HalloWing M0 Express is a skull-shaped development board built around the ATSAMD21G18 processor. Featuring a 1.44" full-colour TFT display, a 3-axis accelerometer, a light sensor, a speaker driver, and Feather-compatible headers, it's designed for wearables, badges, cosplay props, an...

SKU: AF-5722

The Adafruit High Density NeoPixel UV LED Strip packs 60 ultraviolet 5050-sized LEDs per metre onto a flexible PCB with weatherproof sheathing. Each LED contains three individual UV diodes controlled as a single NeoPixel, giving you addressable UV lighting that's compatible with any NeoPixel or W...

SKU: AF-4535

The Adafruit HTS221 is an affordable I²C/SPI temperature and humidity sensor breakout board from ST. It measures relative humidity from 0–100% RH with 3.5% accuracy (in the 20–80% range) and temperature from -40 to 120°C with ±0.5°C accuracy (between 15 and 40°C). An excellent choice for everyday...

SKU: AF-1899

The Adafruit HTU21D-F is an accurate I²C digital temperature and humidity sensor breakout board. With typical humidity accuracy of ±2% (optimised for 5–95% RH) and temperature accuracy of ±1°C across -30 to 90°C, it's a reliable and affordable choice for environmental monitoring projects. This b...

SKU: AF-3515

The Adafruit HTU21D-F is an accurate I²C digital temperature and humidity sensor breakout board. With typical humidity accuracy of ±2% (optimised for 5–95% RH) and temperature accuracy of ±1°C across -30 to 90°C, it's a reliable and affordable choice for environmental monitoring projects. This b...

SKU: AF-4832

The Adafruit HTU31 is a third-generation I²C temperature and humidity sensor from TE, offering improved accuracy and useful extras over its predecessor, the HTU21D. With typical humidity accuracy of ±2% (at 20–100% RH, 0–70°C) and temperature accuracy of ±0.2°C (0–100°C), it delivers reliable env...

SKU: AF-4172

The Adafruit HUZZAH32 ESP32 Breakout is a compact, breadboard-friendly development board built around the Espressif ESP32 dual-core processor. With WiFi, Bluetooth Classic, and BLE support, 4 MB SPI Flash, and a generous set of GPIO, analog, and communication peripherals, it's a powerful and affo...

SKU: AF-3405

The Adafruit HUZZAH32 ESP32 Feather Board brings the powerful Espressif ESP32 dual-core processor into the Adafruit Feather form factor. With WiFi, Bluetooth Classic, and BLE support, a built-in USB-to-serial converter, automatic bootloader reset, and LiPo battery charging, it's a fully featured ...

SKU: AF-3591

The Adafruit HUZZAH32 ESP32 Feather Board brings the powerful Espressif ESP32 dual-core processor into the Adafruit Feather form factor. With WiFi, Bluetooth Classic, and BLE support, a built-in USB-to-serial converter, automatic bootloader reset, and LiPo battery charging, it's a fully featured ...

SKU: AF-2471

The Adafruit HUZZAH ESP8266 Breakout is a breadboard-friendly WiFi microcontroller board built around the Espressif ESP8266. With an 80 MHz processor, full WiFi client and access point support, a built-in TCP/IP stack with DNS, and a CE/FCC certified module with on-board antenna, it provides an a...

SKU: AF-5974 · MPN: ADA5974

The Adafruit HX711 Breakout is a high-resolution 24-bit differential ADC designed for reading load cells, strain gauges, and other Wheatstone bridge sensors. With selectable 64× or 128× gain on Channel A and fixed 32× gain on Channel B, it amplifies the tiny voltage changes from bending or twisti...