All Products

SKU: AF-1850

Add a touch of sparkle to your wearables with the Adafruit Gemma Sequin Starter Pack. This beginner-friendly kit includes a GEMMA V2 sewable microcontroller, warm white LED sequins, conductive thread, needles, and a coin cell battery holder — everything you need to start sewing glowing electronic...

SKU: AF-1222

The Adafruit GEMMA V2 is a tiny, coin-sized wearable microcontroller board powered by an ATtiny85 processor. At just 28 mm in diameter, it's small enough to fit into any sewable or wearable project, and affordable enough to dedicate to every build. Program it over USB with the Arduino IDE and bri...

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 ...