# AlphaX 4Chan

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

[Download release firmware](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_alphax-4chan.zip)

[Snapshot firmware bundle](https://rusefi.com/build_server/rusefi_bundle_alphax-4chan.zip)

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

[iBom rev G](https://rusefi.com/docs/ibom/alphax_4ch-g-ibom.html)
[iBom rev F](https://rusefi.com/docs/ibom/alphax_4ch-f-ibom.html)
[iBom rev E](https://rusefi.com/docs/ibom/alphax_4ch-e-ibom.html)
[iBom rev D](https://rusefi.com/docs/ibom/alphax_4ch-d-ibom.html)
[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
* 4 logic level coil control
* 5 auxiliary low side outputs up to 5A
* 2 VR inputs
* 3 Hall inputs
* CAN
* Single ETB
* one channel knock input
* Bluetooth

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

## Changelog

[rev I](https://github.com/rusefi/alphax-4chan/issues?q=is%3Aissue+label%3Arev-i):

* max9924

rev H

* routing defect fixed

[rev G](https://github.com/rusefi/alphax-4chan/issues?q=is%3Aissue+label%3Arev-g):

* full layout rework
* USB-C
* D5 routing defect :(

[rev F](https://github.com/rusefi/alphax-4chan/issues?q=is%3Aissue+label%3Arev-F):

* VR fix
* tach LED fix
* case touching traces on PCB fix
* MAP mechanical and silk improvement

rev E:

* SD card fixed
* [CRANKs/CAMs input hookup points](https://github.com/rusefi/alphax-4chan/issues/61)

rev D:

* SD card added

rev C:

* improved PCB shape
* better thermal and overall 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>