What’s the cheapest quadcopter you can build? As [Circuit Digest] demonstrates with their variant of the ESP-Drone project by Espressif, you only need a minimum of parts: an ESP32 MCU ...

Consumer drones are all just slight variations on the quadcopter design … right? Well no, not any longer. The Falcon Mini is a two-propeller "bicopter" which is claimed to be nimbler ...

The ball drone seems well suited to an indoor environment, but we’re not sure if it has any real advantages over a quadcopter with ducted propellers. Servos are cheaper than motors and ESCs ...