rusefi_documentation/AlphaX-4chan.md

[AlphaX](https://www.alphaxpr.com/)

[Pinout](https://rusefi.com/docs/pinouts/hellen/alphax-4chan/)

[iBom rev C](https://rusefi.com/docs/ibom/alphax_4ch-c-ibom.html)
[iBom rev B](https://rusefi.com/docs/ibom/alphax_4ch-b-ibom.html)
[iBom rev A](https://rusefi.com/docs/ibom/alphax_4ch-a-ibom.html) 

[Issue tracker & hardware files](https://github.com/rusefi/alphax-4chan)

* 4 injector channels
* 5 auxiliary low side outputs up to 5A
* 4 logic level coil control 
* 2 VR inputs
* 3 Hall inputs
* CAN
* ETB
* one channel knock input
* Bluetooth


![x](https://rusefi.com/forum/download/file.php?id=9345)


## Changelog

rev C:
 - improved PCB shape
 - better thermal and overal simpler to solder
 - https://github.com/rusefi/alphax-4chan/issues?q=is%3Aissue+label%3AREV-C

rev B:
 - one channel knock input added
 - gerber defect under C461 https://github.com/rusefi/alphax-4chan/issues/20
 - BOM issue p-channel mosfet https://github.com/rusefi/alphax-4chan/issues/19

rev A:
 - it works! https://youtu.be/egtDQsMDQqs
 - BOM issue p-channel mosfet https://github.com/rusefi/alphax-4chan/issues/19