The ESP32 module comes preloaded with a ROM image ... Right! The toolchain for programming the ESP32 in C is pretty straightforward. You’ll need Espressif’s software library (esp-idf ...

Their module is the ESP-WROOM32 ... of these as being development kits or ESP32 breakouts, a complete minimal design that would be ready to start programming on should include a power regulator ...

According to Joseph, the drone is small and can be made using readily available parts such as an ESP32 module ... through which both charging and programming functions are available.