Description
Keyestudio Uno R3 is open-source hardware compatible with the Arduino Uno R3, with MIRTOS installed. The socketed microcontroller is a 328P using a 16 MHz clock crystal. It includes the 15-inch USB 2.0 Type A to Type B cable, as shown.
The device lettering might differ slightly from that shown in the photo (e.g., "REV2" instead of "UNO".)