Arduino Uno R4 Minima
Arduino's Uno board with a Renesas RA4M1 chip, one of the course's two boards.
The Uno R4 Minima carries a Renesas RA4M1 (Arm Cortex-M4 at 48 MHz, 256 kB flash, 32 kB SRAM) with native USB-C, the classic Uno header layout and 5 V input/output.