Please, can somebody explain me how wifi control works?

Skorpiocr

Skorpiocr

New Member
Hello,I recently bought JJRC H37 Elfie , controled by Android app through wifi. Is nice little pocket drone for beginners.

I saw many similar quadrocopter and most of them could be control the same Android app.

My questions :
1] How its works? FPV and controling use one wifi reciver on board or how is work?
2] Can I build the same android wifi controll quadrocopter based on normal Flight Controller? And use same android app?

thanks
 
Well true wifi control using the tcp/up model is a packet and port based network almost certainly using UDP. The quadcopter probably has a small Linux or embedded windows based single board computer to interface with the network.


For about any frequency you can use two different mudulations so that you could use two different services on the same frequency

FHSS and DSSS are more popular and relevant examples.

The video for probably works similar to an ip-cam, though there are lower latency methods for video transmission.



This is pretty general info, hope it helps a little.


There are arduino controls that exist for smartphone, though if you know what protocols and ports they are using I don't see why you could not use their app for a raspberry pi based quadcopter.
 
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