It’s based on a SparkFun ESP32 ... for Arduino fans. [Stefan] beefed up the robot with a BNO055 module to determine orientation, an APDS-9930 proximity sensor, as well as four CNY70 IR proximity ...

Historically, we’ve used IR and ultrasonic sensors ... want to put an ESP32-Cam on wheels, check this robot out. These devices are even easier to use now that there is a programming board ...

The Nano ESP32 supports both Micropython and Arduino programming languages, providing a clear path for those already familiar with one platform to easily switch back and forth as needed.