This is a library for the MCP23008/17 I2C and MCP23S08/17 SPI Port Expanders. Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by ...

This is the core graphics library for all our displays, providing a common set of graphics primitives (points, lines, circles, etc.). It needs to be paired with a hardware-specific library for each ...

Makers, developers, and hobbyists who enjoy creating projects using the Arduino platform may be excited to learn that Adafruit has recently announced that their MQTT Arduino Library now supports the ...

今回は、電子工作やマイコンボード（Arduinoなど）でよく使われる「ライブラリ」の使い方について、初心者の方でも分かるように優しく説明していきます。 後半では、「ライブラリ」を使って、実際にフルカラーLEDを美しく光らせる実践編もお届けします。

ILI9341ドライバICを搭載した液晶ディスプレイをESP32で動かす実験をしている。今まで、TFT_eSPIを使ってきたが、Arduino Adafruit ILI9341も試してみる。

The Adafruit Metro RP2350 is a Raspberry Pi RP2350 development board that closely follows the Arduino UNO form factor for compatibility with existing Arduino shields. Key features include 37 GPIOs, a ...

Adafruit has this week announced the arrival of the new Arduino compatible TCA9548A I2C Multiplexer to their online shop, which is now available to purchase priced at $6.95. The latest breakout board ...