All Products

SKU: AF-2488

The Adafruit METRO 328 is a fully assembled, Arduino UNO R3-compatible development board powered by the ATmega328P running at 16 MHz. It's shape and pin-compatible with Arduino UNO R3 shields, and works directly with the Arduino IDE by selecting "Arduino UNO" in the Boards menu. This version come...

SKU: AF-3345

The Adafruit Metro Starter Pack is the perfect beginner kit for learning electronics and Arduino programming. Built around the Adafruit Metro 328 (ATmega328-based, Arduino UNO R3-compatible), this pack includes everything you need — except tools — to follow along with introductory tutorials and s...

SKU: AF-3588

The Adafruit MetroX Classic Kit is a comprehensive experimentation kit with over 20 guided circuits and projects to explore microcontroller basics. Built around the Adafruit Metro 328 (Arduino UNO-compatible), this kit covers LEDs, transistors, motors, integrated circuits, pushbuttons, sensors, r...

SKU: AF-50

We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI and I2C, timers and PWM galore - just enough for most simple projects. When we need to go small, we use a Metro Mini or a Trinket M0,...

SKU: AF-193

This budget pack is an optimized collection of parts and pieces to experiment with Adafruit Metro 328 and the Arduino IDE at home, school or work. Great for students and those that want to get their feet wet, no soldering required!Includes the Adafruit Metro 328 with thru-hole heade...

SKU: AF-2590

The Adafruit Metro Mini 328 packs the same ATmega328P power as a full-sized Metro into a tiny breadboard-friendly form factor. Running at 16 MHz with 5V logic, it's pin-compatible with Arduino UNO R3 and works with the Arduino IDE by selecting "Arduino UNO" in the Boards menu. For the latest revi...

SKU: AF-3505

The Adafruit Metro M0 Express brings 32-bit ARM power to the familiar Metro/UNO shield-compatible form factor. Powered by the ATSAMD21G18 ARM Cortex M0+ processor at 48 MHz, it offers 256 KB flash and 32 KB RAM — a massive upgrade over the ATmega328-based Metro. Designed from the ground up for Ci...

SKU: AF-1141

The Adafruit Data Logging Shield makes it easy to save sensor data to an SD card with accurate timestamps. It combines an SD card interface with a real-time clock (RTC) and a prototyping area on an Arduino-compatible shield, so you can be logging data within minutes of setup. This R3-compatible ...

SKU: AF-2601

The Adafruit RGB Matrix Shield simplifies connecting HUB75-type RGB LED matrices to Arduino-compatible boards. Instead of wiring up a bundle of individual connections, this shield handles all the routing for you — just solder on the headers and connector, plug it onto your board, and attach your ...

SKU: AF-4950

The Adafruit Metro M7 with AirLift is the fastest Metro board yet, powered by the NXP iMX RT1011 ARM Cortex M7 processor running at 500 MHz. Combined with an on-board ESP32 AirLift WiFi co-processor, 4 MB of QSPI flash, and the standard Metro/UNO shield-compatible form factor, this board delivers...

SKU: AF-5500

The Adafruit Metro ESP32-S3 brings the powerful dual-core ESP32-S3 to the familiar Metro/UNO shield-compatible form factor. With 16 MB flash, 8 MB PSRAM, and 512 KB SRAM, this board has the memory to handle demanding CircuitPython, Arduino, or ESP-IDF projects with WiFi and Bluetooth LE connectiv...

SKU: AF-5600

The Adafruit Metro M7 with microSD is powered by the NXP iMX RT1011 ARM Cortex M7 processor running at 500 MHz — the fastest Metro board available. With 8 MB of QSPI flash, 128 KB SRAM, a built-in microSD card slot, and the standard Metro/UNO shield-compatible form factor, this board delivers exc...

SKU: AF-4229

Add a large, vibrant tri-colour eInk display to your Arduino project with this shield. The 2.7" panel displays red, black, and white pixels at 264×176 resolution that remain visible even with power completely disconnected. The shield form factor plugs directly onto Arduino-compatible boards from ...

SKU: DF-DFR0216-2 · MPN: DFR0216-2

This compact DFRobot microcontroller bundle is designed for learning, prototyping and physical computing projects. The DFRduino Uno V3.0 is fully compatible with Arduino UNO R3 and the Arduino IDE open-source development environment, which uses the Processing / Wiring language.The board is based ...

SKU: AF-3382

Are you ready? Really ready? Cause here comes the fastest, most powerful Metro ever. The Adafruit Metro M4 featuring the Microchip ATSAMD51. This Metro is like a bullet train, with it's 120MHz Cortex M4 with floating point support. Your code will zig and zag and zoom, and with a bunch of extra pe...

SKU: AF-4775

The Adafruit Metro ESP32-S2 combines the popular Arduino UNO shield-compatible Metro form factor with the ESP32-S2 WiFi module. Featuring native USB, 4 MB flash, and 8 MB PSRAM, this board is ideal for WiFi-connected projects using CircuitPython or Arduino — and can even act as a USB keyboard, mo...

SKU: AF-4000

The Adafruit Metro M4 Express AirLift combines the powerful ATSAMD51J19 ARM Cortex M4 processor with an on-board ESP32 WiFi co-processor — all in the standard Metro/UNO shield-compatible form factor. With 120 MHz clock speed, floating point support, and built-in TLS/SSL for secure connections, th...

SKU: AF-6318 · MPN: ADA6318

This driver board makes it much easier to control multiple solenoids from a microcontroller over I2C. It uses an MCP23017 GPIO expander so you do not need to dedicate lots of pins just to switch a bank of clicky, inductive loads.Solenoid power connects through the centre terminal blocks, with eac...

SKU: AF-4868

The Adafruit 1.54" Tri-Colour eInk Display brings electronic paper technology to your microcontroller projects. Featuring a 200×200 pixel display with black, red, and white ink, this breakout delivers high-contrast, daylight-readable visuals that persist even when power is completely disconnected...

SKU: EC-CDD10240D

The devDuino Relay 1 Node V1.0 is a compact Arduino-compatible microcontroller board with a built-in mains power supply (110–220 V AC), a 10 A relay, and an nRF24L01+ wireless transceiver. It is designed for building wireless home automation networks with support for over-the-air (OTA) firmware u...