[elecena] micro: IO-BOX Expansion Board with Li-ion Battery Power for micro:bit

[elecena] micro: IO-BOX Expansion Board with Li-ion Battery Power for micro:bit - zmiany ceny Multifunction expansion board for micro:bit integrating a 2-channel motor driver, 9 IO ports, dual I2C, UART, onboard buzzer, and rechargeable CR123A Li-ion battery management.