The CrazyFlie + CrazyRadio: <a href="https:&#x2F;&#x2F;www.bitcraze.io&#x2F;crazyflie&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.bitcraze.io&#x2F;crazyflie&#x2F;</a><p>You do the assembly, and the CrazyRadio provides you with a USB interface to control it.<p>There are onboard sensors (gyro, accelerometer, compass, and altimeter) but I&#x27;m not sure about adding your own.