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Announcement Good News! After several days of work,we finally get Credit Card payment available our store, When checkout,you will see there are credit card that can be choosed. Hope this improvement can help you,thanks Any questions,please do not hesitate to contact us,thanks Best regards!  

Connection diagram for Crazybee F4 PRO V2.1 flight controller https://qwinout.com/products/happymodel-crazybee-f4-pro-v2-1-2-3s-compatible-flight-controller-for-sailfly-x-fpv-racing-drone-frsky-flysky-dsm2-dsmx-protocol-rx?_pos=5&_sid=b47f4bd66&_ss=r

                             Flight control structure Note: This flight control is small in size. Note that the positive could not connect to negative poles during welding, otherwise the flight control would be burnt out. The working voltage of the flight controller is 5-6V, which could be powered through the BSC output of the ESC, or be powered by the 5V output pin of the distribution board. Flight control parameters section BF firmwareInstall Chrome2.Download betaflight-configurator, download and decompressLink: https://github.com/betaflight/betaflight-configuratorHow to download: Right click on the green button Clone or Download-> download zip3.Open Chrome, the upper right corner button, more tools -> Extensions4.Check the developer mode, click on the load appears to be decompressed extension5.Select the directory before decompression, installation on itthis is aonther link the technical department give me ,to set up the drone,may be it can help youhttps://www.youtube.com/watch?v=oli0UB030kU  Download more information here https://cdn.shopify.com/s/files/1/0070/9473/0823/files/F4_94b6f96e-79ac-4075-a67c-a50f87727069.doc?986

If you get a Drone that does not have the receiver you want,how to process it ? Here let me show you how to add an external receiver for a Mobula7 or Mobula7 HD As we know,Mobula7 FC Built-in receiver,if the receiver builit-in is not the version you want,you can add an external receiver directly Take Frsky receiver as an example how to connect it? first,you need not remove the exist receiver,because it will broke your FC, then,weld the frsky receiver to your board directly,like this ,just weld the IR1 ,5V and GND

Recently,Many people asked me How to set the Betaflight for Mobula7 Mobula 7 HD FPV Racing Drone ? For Beginners,it might be a little hard to understand the betaflight setting. Here let us try a easy way to process it,Hope it can helps 1.if you buy the BNF Version,you need bind the transmitter to the receiver first after receive the drone Please read the user manual before binding,set the transmitter at 5ch and 6ch like the picture below shows 2.then,set the betaflight   like the picture shows,at the first line,choose Aux1 ,set the 5ch ,it is the start up switch...