Arduino UNO R4で採用されたルネサス「R7FA4M1AB3CFM#AA0」をMPUとして搭載する、超小型サイズの互換マイコンボード。自作キーボードなどでお馴染みなPro ...

Built around the Arduino Pro Micro and an Adafruit TFT color LCD, this project is very straight forward. You can either make your own controller PCB, or use [0xPIT’s] design.

Based on the Arduino Pro Micro, this hand-wired pad is unique in that a single press of any of its 16 keys can virtually “type” out multiple lines of text.

While a Raspberry Pi is a full-fledged computer that can do more complex things than an Arduino microcontroller, it's not the best choice for every project.