Finally, we finished the design of FSM-55.
Its size is about 5cm x 5cm, with 5x5 LED matrix, 5 resistors and 5 capacitors.
When you pronounce it, please say, F-S-M "Go" "Go", since "Go" is the pronunciation of 5 in Japanese.
Components of FSM-55
- MCU: STM32F030F4
- Cell battery holder: BAT-HLD-001-THM …