Oversky F3 EVO Micro Brushed Flight Control Board Built-in FlySky Frsky DSM RX for RC FPV Racing Drone

  Description Oversky F3 brushed flight control board based on F3 EVO hardware supports CleanFlight and BetaFlight firmware   This board comes with motor connectors 4 pcs of 1 25mm 2P soldered and power connector soldered There are 3 kinds of hardware for its built in compatible receiver A CYRF6936 B CC2500 C A7105 MX VTX 25MW module video transmitter can be plugged and installed on Scisky F3 brushed flight control board directly no soldering is needed and also you can plug and play MX VTX 25MWOSD and the analog camera please check the following picture for reference    M1 M4 ports are for connecting brushed motors each of which is marked S1 S2 S3 and S4 on the board is for positive of the brushed motor COM1 and COM2 are for MX VTX 25MW or MX VTX 25MWOSD  Frequency checking and setting up on analog video transmitter 6 LED lights on the board indicates the working frequency of the video transmitter in binary calculation way LED 1 LED 2 LED 3 represent 5 groups of frequency LED A LED B and LED C show 8 frequencies Pull the throttle to lowest press the button slightly you can check the current working frequency of the VTX LED lights flash twice Push the throttle to mid range double press the button and then enters frequency set up mode The LED light group shows the current working frequency when the VTX enters frequency set up mode push or pull Elevator stick up and down you can change the frequency groups 5 groups pull Ailer