[M0TGN] wanted a device to generate practice code, so he built it around an Arduino. The device acts like an old commercial model, the Datong D70, although it can optionally accept an LCD screen ...

You are stuck at home quarantined and you want to do some Arduino ... code to get you started. There are quite a few other choices in the playground including Charlieplexed LEDs, a keypad, and an LCD.

It will also provide experience with advanced usage of the 16x2 LCD screen and its scrolling capabilities. Finally, it incorporates using the joystick with the Arduino. The presentation material and ...