Quantity   Component name
1 × Sharp Pocket Computer PC-1403 A small scientific calculator and pocket computer manufactured by Sharp, starting from 1986. I features an Hitachi SC61860 (8-bit CMOS) CPU @ 768 kHz and 8Kb ( or 32Kb for the PC-1403H model) CMOS RAM, powered by 2x CR2032 button batteries
1 × ST-Nucleo L053R8 board A prototyping platform using a STM32L053R8T6 microcontroller