Reverse engineering effort of drone remote control for this cute little copter: https://de.aliexpress.com/item/4001108687090.html?gatewayAdapt=glo2deu&spm=a2g0o.order_list.0.0.21ef5c5f4uzTWV
Copter firmware effort with some more info here: https://github.com/barafael/cute-copter
STM32f103C8Tx knockoff (branded CKS32f103C8T6).
Work in progress, not complete w.r.t. buttons on the transmitter. But NRF and analog value reading of all 4 joysticks works.
