An Arduino computer with a BASIC interpreter.

Hardware components:

• Arduino Mega 2560,
• A text LCD 20x4 character display, MELT MT-20S4A-2YLG or any other model.HD44780,
• CardKB I2C keyboard,
• 4 LED lights, preferably with a voltage of 5V.
• a 220-ohm resistor,

Optional with rechargeable battery:

• 18650 rechargeable battery,
• Charger TP4056 or any other one.
• MT3608 DC-DC boost converter or any other device used to stabilize 5V.

Source code:

https://github.com/nicolas-vp/mega_basic