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By: montis

montis — Thu, 26 May 2022 20:06:20 +0000

In reply to Maxim. I have the first gen GHF411AIO board (not Pro) and it has MatekF411 firmware by default. Do you have Pro or older version?

By: Maxim

Maxim — Fri, 20 May 2022 16:37:14 +0000

Can anyone give me their default betaflight configuration file on their Betaflight JHEF411 , I lost it

By: montis

montis — Mon, 07 Feb 2022 08:13:08 +0000

In reply to Chris.

Hi, there is an updated version of this board GHF411AIO Pro. According to the Betaflight target JHEF411, PPM input is available on TX2 pad.
resource PPM 1 A02
resource PWM 1 B01
resource PWM 2 A03
resource LED_STRIP 1 A15
resource SERIAL_TX 1 B06
resource SERIAL_TX 2 A02
resource SERIAL_RX 1 B07
resource SERIAL_RX 2 A03

But will it actually work – that’s a question.

By: Chris

Chris — Mon, 07 Feb 2022 00:23:50 +0000

Hi! Montis can i use ppm receiver in this board?

By: montis

montis — Wed, 11 Aug 2021 06:31:23 +0000

In reply to Paolo. The voltages between GND and 4.5V pads are ok. SBUS pad voltages should be between ~ 0.3V and 3.3V relative to the GND. Looks like ok to me. +- 10% is OK. Maybe the issue is somewhere else.

By: Paolo

Paolo — Mon, 09 Aug 2021 21:38:23 +0000

In reply to montis.

Hi Monti, I tried with the multimeter: between the GND and 4.5V pads the voltage is 4.74V.
I noticed that if I measure between 4.5v and SBUS pads the voltage is 4.22V.
it’s normal?
Thanks in advance.

By: Paolo

Paolo — Wed, 04 Aug 2021 10:54:33 +0000

In reply to montis. ok, i will try with the tester. Thank you

By: montis

montis — Wed, 04 Aug 2021 09:52:15 +0000

In reply to Paolo. You should check the voltages on the solder pads (+5, GND) you are trying connect to. Use multimeter. Maybe there is something wrong with the voltages.

By: Paolo

Paolo — Wed, 04 Aug 2021 09:42:04 +0000

Hello,
I have the 30A version but I burned 2 sbus transmitters despite having perfectly followed the diagram for the soldering; they turned on and after a while they no longer work and the led no longer lights up. Did I do something wrong?
Thank you

By: montis

montis — Sun, 11 Apr 2021 20:24:41 +0000

In reply to fred. You can find out the 20A and 30A versions by checking the MOSFET chips. MOSFETs with 2R203 markings are 30A continuous current.