But as the video below illustrates, that’s just the tip of the iceberg. With the ESP32 wired between the handheld’s LCD and main PCB, the microcontroller can also act as a capture device using ...

Inside the mutantC_v4, showing off the ESP32-S2 Probably the most notable ... addition is the expansion connector on the bottom of the handheld that has pins for I2C, UART, and 3.3 V.