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Ray Jones 2019-05-04 05:37:59 +00:00
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# Home page for Bluetooth/WiFi Diesel Heater Controller documentation # Home page for Bluetooth/WiFi Diesel Heater Controller documentation
## Version 1 PCB
<img src="uploads/e0d9b6e8d7e3278108c172c9dfea79ab/BTC2.jpg" alt="Front view" width="300"/> <img src="uploads/e0d9b6e8d7e3278108c172c9dfea79ab/BTC2.jpg" alt="Front view" width="300"/>
<img src="uploads/a98420a503e9d88e81688f3673f40235/BTC1.jpg" alt="Rear view" width="300"/> <img src="uploads/a98420a503e9d88e81688f3673f40235/BTC1.jpg" alt="Rear view" width="300"/>
## Version 2 PCB, offered with case
<img src="uploads/47d051ec08ad1fcbdd05ec9a34766cf9/56161804_427457621343959_2334075276654280704_n.jpg" alt="V2 PCB inside case" width="480"/>
<br>
<img src="uploads/cd742b74b362eba817dbd72ab3129e78/BlackCase_BlueButtons.jpg" alt="Black/blue case" width="300"/>
<img src="uploads/4ca5c0cc2df9718aaf9deff05f470eef/WhiteCase_GreyButtons.jpg" alt="White/grey case" width="300"/>
## Compatibility ## Compatibility
The design presented here will only work with heaters that use a "blue wire interface". The design presented here will only work with heaters that use a "blue wire interface".
Of course the colour of the wire is only that of a PVC sheath. Of course the colour of the wire is only that of a PVC sheath.
The important aspect is what the electronics hardware exists at either end of the blue wire. The important aspect is what the electronics hardware exists at either end of the blue wire.
### Digital protocol controllers
If your heater uses one of the following style controllers, this design **will** be compatible: If your heater uses one of the following style controllers, this design **will** be compatible:
![Rotary](uploads/24ebe408965a916fc0a0f2b5294be914/Rotary.PNG) ![Rotary](uploads/24ebe408965a916fc0a0f2b5294be914/Rotary.PNG)
<img src="uploads/1e2dbba5619b43a5e477b548c1ccc9bf/LEDcontroller.jpg" alt="LED controller" width="200"/> <img src="uploads/1e2dbba5619b43a5e477b548c1ccc9bf/LEDcontroller.jpg" alt="LED controller" width="200"/>
![LCD](uploads/4f58dde93eac36a19e8dc585b2a485ee/LCD.PNG) ![LCD](uploads/4f58dde93eac36a19e8dc585b2a485ee/LCD.PNG)
<img src="uploads/af109cddb231e7df0297d692b1e3a96b/BlueLCD.jpg" alt="Blue LCD" width="300"/> <img src="uploads/af109cddb231e7df0297d692b1e3a96b/BlueLCD.jpg" alt="Blue LCD" width="300"/>
![20190111_083207](uploads/4d758c5478777c3b2077614956d23420/20190111_083207.jpg)
### 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)
### Heater control PCB (remains in use)
The all important part though is the control PCB within the heater. The all important part though is the control PCB within the heater.
This is the PCB within a blue wire enabled heater that will 100% work with this controller design. This is the PCB within a blue wire enabled heater that will 100% work with this controller design.
The blue wire interface is circled in the following photo: 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"/> <img src="uploads/658fbea92b4a4f3cf0386b5512f8dcd5/HeaterPCB.jpg" alt="Heater PCB" width="600"/>
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: 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: