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Arduino nano BASIC palmtop

Palmtop computer using a customized version of TinyBASIC

modhappymodhappy
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I really liked the work that BenHeck did with his Arduino BASIC pocket computer, and wanted to create my own. After searching far and wide for the source code, I found that I wanted to build mine different. I wanted to use a character LCD display, but I also wanted to torture myself by creating a hand soldered matrix keyboard....
The computer features:
USB-C Arduino Nano: https://shorturl.at/nyDP3
Single lipo power converter board for 5V: https://shorturl.at/kwHM0
SSD1306 Character LCD: https://shorturl.at/pqMUV
2 pin Tactile switches, diodes, and solid copper bell wire for the keyboard matrix.

You can check out the live working code here: https://wokwi.com/projects/333378430089298514

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modhappy wrote 02/05/2025 at 21:32 • point

Sounds fun. I thought about updating this project using an ESP32. This way I have wifi or bluetooth. There are a few really noice ESP32 boards with lipo battery management built in and such.

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soni wrote 02/05/2025 at 19:34 • point

nice but I need more (moooore) ram, meybe STM0 256x128 pixel with greyscale or 256 colors.

solar panel or other way to be using without charge

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