This is a good repo of arduino based code to talk to many of the nordic based toy quads - it converts the PPM signal from an RC transmitter: https://github.com

This is a good repo of arduino based code to talk to many of the nordic based toy quads - it converts the PPM signal from an RC transmitter: https://github.com/goebish/nrf24_multipro https://github.com/goebish/nrf24_multipro Many of these little quads use the STM32F0xx Cortex-M0 micro controllers - there are various replacement firmware efforts, eg: https://github.com/samuelpowell/CX10-FNRF/tree/blue-and-red https://github.com/samuelpowell/CX10-FNRF/tree/blue-and-red https://github.com/silver13/h8mini-acro https://github.com/silver13/h8mini-acro