[Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and PS/2 keyboard. but he’s also included alternative options to go without an LCD screen by using a computer ...

[DastardlyLabs] saw a video about converting a PS/2 keyboard to Bluetooth and realized he didn’t have any PS/2 keyboards anymore. So he pulled the same trick with a USB keyboard. Along the wa… ...

The watch Keyboard C3 V1.0 computer systems is equipped with ESP32-C3 chip, and supports connectivity via both Wi-Fi and Bluetooth and uses a mini-pin QWERTY keyboard. Mini computer kit ...