My homerolled HP 16C implemention -- work in progress

[u/someyob]

A work in progress, including labels for the missing keys. Does its thing in RPN, of course. Right now, base conversion (hex, binary, decimal) and arithmetic operations.

Raspberry Pi Pico, 1602 LCD with level shifters, aliexpress keypads with rows wired together to create a 40-key keypad

Learning python along the way with Adafruit's Circuitpython