How to setup the board battery voltage?

From the status TAB of Mission Planner, the board voltage is = 0. What parameters needs to be set to get the correct board battery voltage? My ESC is Holybro Tekko32 F4 50A 4in1 ESC.

The battery Monitir settings are:

None. Board voltage isn’t available with that Flight Controller.

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Thanks. Nice to know.

Hello, is it available to the old APM2.7, HKpilot?

…

Is what available? The ESC was irrelevant to the question asked.

I’m trying to solve an issue with APM 2.7, an old controller: pin 13 doesn’t show any voltage, always 0! But pin 12 does measure current. I found taht ths board is equal do 2.5, and the voltage pin is the 13. I have voltage on the pin, but in the mission planner it only show 0! Best. António

No idea. Much of what I knew about APM flight controllers is long forgotten. Those all hit the trash many years ago.

I’d venture a pure guess that, given the limited amount of IO and ADC pins, those old APMs didn’t bother monitoring their own input voltage.

What cheap autopilot do you advise this days?

Matek H743-wlite is a good one. I have several Matek H743 boards and they perform well.

They work well with ArduRover?

Any Ardupilot supported board will work with ArduRover.

Thank you Dave for your support. It seems that the only opensource hardware that is available is diretly related to pixwack, am I correct?

No. There are many so-called Open Source FC’s for what its worth.
Flight Controllers.

I know them but, they are discontinued or to expensive. Best

I enjoyed this one but discontinued: OpenPilot: OpenPilot Revolution and RevoMini — Rover documentation.

I think its possible to solder one.