Crash_Override/ESP32_ChinaDieselHeater_Control
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Ray Jones 2019-05-04 05:48:01 +00:00
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home.md

@ -24,8 +24,8 @@ If your heater uses one of the following style controllers, this design **will**
### Controller loom connection
The digital protocol controllers use one of 2 styles of loom connection.
A 3 pin triangular waterproof conenctor, or a smaller round 3 pin waterproof connector:
![3pinplug](uploads/7fe89a4c612ef4b517a18193cc0d4228/3pinplug.jpg)
<img src="uploads/7fe89a4c612ef4b517a18193cc0d4228/3pinplug.jpg" alt="triangular plug" width="200"/>
<img src="uploads/18dc90a776f3b4de181e6936d4d0529a/3pinplugcircular.jpg" alt="circular plug" width="200"/>
### Heater control PCB (remains in use)
The all important part though is the control PCB within the heater.
@ -33,7 +33,8 @@ This is the PCB within a blue wire enabled heater that will 100% work with this
The blue wire interface is circled in the following photo:
![20190111_083207](uploads/4d758c5478777c3b2077614956d23420/20190111_083207.jpg)
<img src="uploads/658fbea92b4a4f3cf0386b5512f8dcd5/HeaterPCB.jpg" alt="Heater PCB" width="600"/>
![BlackControlBoardjpg](uploads/db63be81b675afc73be1c92bd94adcf4/BlackControlBoardjpg.jpg)
![Otherdigitalcontroller_-_Interface](uploads/bbf499abef8c41ac0b07d903287c6e8f/Otherdigitalcontroller_-_Interface.jpg)
The important selection criteria is whether a dual transistor multiplexer is evident on the input path of the blue wire, this sort of topology **must** exist, if the wire runs direct to the microprocessor, it is most likely incompatible, and probably an analogue voltage from a pot:
![BlueWireIF](uploads/491d71e7576b446351d4634d30e1a038/BlueWireIF.PNG)