DFRobot - This is an ESP32-based 1s 85mm mini quad. It is controlled over the phone via Bluetooth. The actual motor holes are for 8.5x20mm motors but an external adapter is added
GitHub - sebastiano123-c/DroneIno: Arduino code for ESP32 based DIY quadcopter drones, providing autonomous flight via artificial neural network.
![ESP32S2 ESP32 controllo di volo Open Source Quadcopter ESP-Drone Drone modello Wifi telecomando Crazyflie - AliExpress ESP32S2 ESP32 controllo di volo Open Source Quadcopter ESP-Drone Drone modello Wifi telecomando Crazyflie - AliExpress](https://ae01.alicdn.com/kf/Se1dbca13665f447db0ee75827b40c351j/ESP32S2-ESP32-controllo-di-volo-Open-Source-Quadcopter-ESP-Drone-Drone-modello-Wifi-telecomando-Crazyflie.png)