We programed based on [Crazyflie 2.1](https://www.bitcraze.io/products/crazyflie-2-1/) to find and precisely land on a platform with height of 10 cm by utilizing z reading from [flow deck](https://www.bitcraze.io/products/flow-deck-v2/). Additionally, We also utilized sensor readings from [multi-ranger deck](https://www.bitcraze.io/products/multi-ranger-deck/) to avoid the obstacles presented in the environment.