Build your own RC robot car with ESP32-CAM camera board, off-the-shelf part, and monitor up to four video streams in a web browser ...

An ELM327 Bluetooth OBD-II reader is hooked up to the car, collecting data on speed and RPM. This data is passed to an ESP-32 and Teensy 3.5. From reading the code, it appears the Teensy is ...

If your memory of slot cars as a childhood toy is of lightweight ... The firmware was written in the Arduino IDE, and through the trigger and a rotary encoder all of its options can be configured ...