All Products

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-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-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: LB-LR0509A

Specification:14 Digital input / output port: RX, TX, D2 - D138 analog inputs: A0 - A71 pairs of ports TTL level serial transceiver: RX / TX6 PWM ports: D3, D5, D6, D9, D10, D11Using Atmel AtMega328P-AU MCUSupport serial downloadSupport for external 3.3V - 12V DC power supplySupport 9V batter...

SKU: DF-DFR1026

This is a DC charging and discharging integrated module, with 5V normally open output, which is not affected by load access and has a maximum load current of 2A. It features 4 levels of charge/discharge electricity indication and button-controlled output. The module comes with a built-in power ma...

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-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-4947

The Adafruit 2.13" Tri-Colour eInk Display brings electronic paper technology to your microcontroller projects. Featuring a 250×122 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: AF-1028

Add a large, vibrant tri-colour eInk display to your microcontroller project with this 2.9" breakout board. The panel displays red, black, and white pixels at 296×128 resolution that remain visible even with power completely disconnected — just like printed paper, but with the added impact of col...

SKU: AF-4197

Add a crisp, paper-like display to your microcontroller project with the Adafruit 2.13" Monochrome eInk Breakout. This 250×122 pixel black-and-white eInk panel delivers excellent daylight readability and retains its image even with power completely disconnected — just like printed paper. An onbo...

SKU: AF-802

The Adafruit 1.8" Colour TFT Shield is a plug-and-play display solution for Arduino, combining a bright 128×160 pixel TFT screen with a microSD card slot, 5-way joystick navigation switch, and three tactile buttons. This R3-format shield works with any Arduino or Metro board including the Metro M...

SKU: AF-5228

A raw 1.3" monochrome OLED display module with 128 × 64 pixel resolution, driven by the SH1106G controller over SPI. This is the same display used in the Adafruit MACROPAD RP2040. Key Features 1.3" Monochrome OLED – 128 × 64 pixel resolution SH1106G Driver – SPI interface 16-Pin FPC Connecto...

SKU: SF-DEV-11113

It’s blue! It’s thin! It’s the Arduino Pro Mini! SparkFun’s minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader. Arduino Pro Mini does not come with connectors populated so that you can solder in any connector or wire with any orientation you need. We recommen...

SKU: AF-2719

If you've been diggin' our monochrome OLEDs but need something bigger, this display will delight you! These displays are 2.42" diagonal, and very readable due to the high contrast of an OLED display. This display is made of 128x64 individual white OLED pixels, each one turned on or off by the ...

SKU: AF-6267 · MPN: ADA6267

The Adafruit Metro RP2350 with PSRAM upgrades the Metro RP2350 with an additional 8 MB of QSPI PSRAM for projects that need extra dynamic memory. Powered by the Raspberry Pi RP2350 dual-core ARM Cortex-M33 at 150 MHz with 520 KB SRAM, 16 MB flash, and a 5V buck converter supporting up to 2A outpu...

SKU: AF-2000

Note: The Pro Trinket's bit-bang USB technique is a legacy approach that may not work reliably with modern operating systems. For new projects, consider an ItsyBitsy or Metro Mini board with native USB support at a comparable price. The Adafruit Pro Trinket 5V is a compact ATmega328P-based mic...

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...

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: SF-DEV-12640

Here at SparkFun, we refuse to leave ‘good enough’ alone. That’s why we’re adding to our line-up of Arduino-compatible microcontrollers once more! The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on-...

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...