openrcforums

Hello all. Was just wondering if anyone can help out here in my telementry sensors page the reading for the rxbt is reading a different voltage compared the what the actual battery voltage of my qx7 is. I tried to change the ratio so it matched the actual battery voltage. But after charging my qx7 the telementry rxbt voltage remained the same as I set it. (I set it to 7v because that's what my battery was) after charging it was 7.4 but the telementry still showed 7v .... can anyone tell me if I'm doing something wrong? Thanks

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You're probably using a BEC which gives a constant 5V to your receiver, so you can't use RxBt to read your battery voltage, you need an extra sensor.

Also it seems you might be confused, RxBt is the supply voltage of the receiver, but what you say suggests you're trying to look at it to see the radio's battery voltage.