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FYSETC / FYSETC-AIO_II

FYSETC Board - AIO II is an All In One (So we call it AIO) solution with 32-bit MCU and 256-microsteps stepper motor drive for 3DP/CNC or similar machine.It has everything you need to assemble a 3DP, including a display and an SD card holder.
https://www.aliexpress.com/item/32888370577.html
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AIO II Fan1 no output #6

Open OutcastZeroOne opened 4 years ago

OutcastZeroOne commented 4 years ago

Have confirmed with 2 different AIO II. one with original factory firmware, second with custom. Neither one will power the controllable fan output. I have full voltage out, but no ground signal.

OutcastZeroOne commented 4 years ago

So far I have tried 2 different fans. confirmed full power out on the positive side of the Fan1 plug, but no ground side signal. Since half of the MOSFET that is used for the fan1 is also used for teh Blue side of the RGB control, I know that the MOSFET is functional, at least on half of the chip.

It was mentioned that there is a known issue in Marlin about a conflict with the Buzzer and PWM control. I have dissabled the Buzzer pin in the pin config and still no change.

OutcastZeroOne commented 4 years ago

After 2 weeks of trying to get this AIO II fan1 to work, I have come to the conclusion that the board is defective. I have confirmed full power at the plug, but I have never been able to get a ground signal. I have been working directly with the Marlin developers, several of whom have AIO II boards and have tried my configuration of firmware on their boards and are able to have the fan1 fully operational.