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Showing 1401-1420 of 8669 products · 2502 unavailable products hidden
Adafruit Matrix Portal - CircuitPython Powered Internet Display
The Adafruit Matrix Portal is a plug-and-play controller for HUB-75 RGB LED matrix panels. Powered by an ATSAMD51 (Cortex M4) with an ESP32 WiFi coprocessor, it plugs directly into the back of any compatible matrix — no soldering or wiring required. Just attach power and start coding in CircuitPy...
Adafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor
The Adafruit MAX17048 LiPoly/LiIon Fuel Gauge and Battery Monitor gives you accurate battery voltage and charge percentage readings for your 1S 3.7–4.2V lithium polymer or lithium ion battery. Instead of guessing remaining capacity from a non-linear voltage curve, this smart sensor does the maths...
Adafruit MCP2221A Breakout - General Purpose USB to GPIO ADC I2C - Stemma QT / Qwiic
The Adafruit MCP2221A Breakout lets your computer talk directly to I2C devices, sensors, and GPIO — no microcontroller required. Drive an OLED display, read a colour sensor, flash LEDs, or read buttons straight from Python on Mac, Windows, or Linux. The MCP2221A from Microchip provides USB-to-I2...
Adafruit MCP23017 I2C GPIO Expander Breakout
The Adafruit MCP23017 I2C GPIO Expander Breakout adds 16 extra GPIO pins to any microcontroller or microcomputer over I2C. Each pin can be configured as a digital output (driving up to 25 mA — perfect for LEDs) or as an input with optional internal pull-up resistors. With three configurable addr...
Adafruit MCP4728 Quad DAC with EEPROM - STEMMA QT / Qwiic
The Adafruit MCP4728 Quad DAC with EEPROM provides four independent 12-bit digital-to-analogue converters in a single I2C package. Set precise output voltages for your project, and save your settings to the built-in EEPROM so they're automatically restored on power-up. Each channel supports two ...
Adafruit MCP9808 High Accuracy I2C Temperature Sensor Breakout
The Adafruit MCP9808 is a high-accuracy digital temperature sensor with ±0.25°C typical accuracy over its −40°C to +125°C range and 0.0625°C resolution. It communicates over standard I2C and runs on 2.7V to 5.5V power and logic, making it compatible with virtually any microcontroller or single-bo...
Adafruit METRO 328 with Headers [ATmega328]
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...
Adafruit Metro ESP32-S2
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...
Adafruit METRO M0 Express - designed for CircuitPython [ATSAMD21G18]
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...
Adafruit Metro M4 Express AirLift (WiFi) - Lite
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...
Adafruit Metro Mini 328 - 5V 16MHz
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...
Adafruit Metro RP2040
The Adafruit Metro RP2040 brings the Raspberry Pi RP2040 dual-core processor to the standard Metro/UNO shield-compatible form factor. With 16 MB of QSPI flash, a microSD card slot, USB-C, and a rich set of debugging ports, this board is an excellent platform for CircuitPython, Arduino, MicroPytho...
Adafruit Metro RP2350
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The Adafruit Metro RP2350 brings the next-generation Raspberry Pi RP2350 dual-core processor to the standard Metro/UNO shield-compatible form factor. With dual ARM Cortex-M33 cores running at 150 MHz, 528 KB SRAM, 16 MB of QSPI flash, and a microSD card slot, this board is a powerful step up from...
Adafruit Metro RP2350 with PSRAM
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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...
Adafruit Micro-Lipo Charger for LiPoly Batt with USB Type C Jack
The Adafruit Micro-Lipo Charger is a tiny, easy-to-use charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Simply plug a USB-C cable into any USB power source and connect your battery via the JST connector — two LEDs show charging status at a glance (red = ch...
Adafruit Micro Lipo - USB LiIon/LiPoly charger [v1]
The Adafruit Micro Lipo is a tiny USB charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Its gold-plated PCB-style USB connector plugs directly into any USB port — connect your battery via the JST plug and charging begins automatically. Two LEDs indicate sta...
Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger [v1]
The Adafruit Micro Lipo with MicroUSB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Micro USB cable to a USB power source and connect your battery via the JST connector — two LEDs show status at a glance (red = charging, gr...
Adafruit microSD Card BFF Add-On for QT Py and Xiao
The Adafruit microSD Card BFF Add-On slots onto the back of any QT Py or Xiao board, adding a microSD card slot for megabytes or gigabytes of file storage. Using the SPI bus (MOSI/MISO/SCK) plus one chip select pin, you can read and write files for data logging, audio playback, image storage, and...
Adafruit Micro SD SPI or SDIO Card Breakout Board - 3V ONLY!
The Adafruit Micro SD SPI or SDIO Card Breakout Board gives you fast microSD card access using either standard SPI or the higher-speed SDIO protocol. Unlike SPI-only breakouts, this board exposes the full SDIO bus with up to 4 data pins for significantly faster read/write speeds — roughly double ...
Adafruit MiCS5524 CO, Alcohol and VOC Gas Sensor Breakout
The Adafruit MiCS-5524 Gas Sensor Breakout is a robust MEMS sensor from SGX Sensortech for detecting carbon monoxide, natural gas leaks, alcohol, and volatile organic compounds (VOCs). It provides a simple analogue voltage output that increases in proportion to the concentration of detected gas —...