[Mark] chose a remote control car, of the type that can flip and drive in both orientations. Having lost the controller, he started by ripping out the original electronics. In its place, an ESP32 ...

Waveshare has recently launched DDSM Driver HAT (B), a compact Raspberry Pi DDSM (Direct Drive Servo Motor) motor driver ...

According to Joseph, the drone is small and can be made using readily available parts such as an ESP32 module ... commercially available propellers and control modules, it looks like this.