It’s winter, and that means terrible weather and very few days where flying RC planes ... 3.5mm jack on the transmitter used for a ‘buddy box’, but [sjtrny] had an extra receiver sitting ...
It is a fully Arduino based RC plane.Flight controller, Transmitter all are made using Arduino.The range is more than 1KM. Transmitter and receiver system are made using arduino and NRF24 ...
Hold calibration button, switch transmitter TX on, still holding calibration button move all controls to extremes including auxilliary pots. Center all controls and aux pots. Release calibration ...