PowerWatcher Display for Tesla

Topics concerning the Tesla front and rear drive unit drop-in board
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Jack Bauer
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PowerWatcher Display for Tesla

Post by Jack Bauer »

I'm pleased to announce cooperation with Yuriy Logvin, designer of the Powerwatcher Android display system, to integrate functionality for the open source Tesla drive unit and charger logic boards. I get asked a lot about a display for these products so it's finally on the way:)

The Powerwatcher will connect to the drive unit or charger or both over CAN and use any android device via bluetooth to display a vast array of information.
PowerWatcher website : https://powerwatcher.net/

The CAN firmware will be opensource so can be used to integrate other systems such as SimpBMS etc.

Obviously it will also be usable with any board running the openinverter firmware with CAN capability.
Estimated time to release 2-3 months.
Attached a few screenshots of a Powerwatcher running in my E36.
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2019-07-10 15.53.52.png
2019-07-10 15.53.22.png
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Kevin Sharpe
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Re: PowerWatcher Display for Tesla

Post by Kevin Sharpe »

That's great news :D
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Re: PowerWatcher Display for Tesla

Post by johu »

Sweet! Is it a dedicated display or does it run on your phone?
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Re: PowerWatcher Display for Tesla

Post by Kevin Sharpe »

johu wrote: Thu Jul 11, 2019 5:12 pm Sweet! Is it a dedicated display or does it run on your phone?
Android phone or tablet... here's the user guide;

https://powerwatcher.net/downloads/PW2_ ... ual_en.pdf
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Re: PowerWatcher Display for Tesla

Post by jon volk »

Ill definitely take one
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Re: PowerWatcher Display for Tesla

Post by x.l.r.8 »

I've been waiting for this. excellent news
If somethings worth doing, its worth getting it wrong a few times first.
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

Yuriy has completed the pcb design for the can interface so will have prototypes for testing very soon.
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Re: PowerWatcher Display for Tesla

Post by Evtorque »

Will these boards run up to 400v?
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

yes
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

Bare pcbs have arrived with Yuriy for the Powerwatcher V3 CAN interface. The V3 uses RS485 modules for sensing. In the picture you will see one with isolated voltage and current sensors attached.

Would be great if someone could put together a can message list that we can all agree on.
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2019-08-22 14.22.35.jpg
pwcan.jpg
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Re: PowerWatcher Display for Tesla

Post by tom91 »

The SimpBMS battery can bus info is in the manual so please stick to that. As it is the same a few other BMSes out there so it can work with solar inverters/chargers.
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

CAN interface board prototypes built and tested and on the way to me. We should have it operational for Tesla / Opeininverter systems in the next few weeks.
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

CAN adapter schematic and firmware now on Github :
https://github.com/YuriyLogvin/CAN-RS485-adapter
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Re: PowerWatcher Display for Tesla

Post by zippy500 »

I know its marked for Tesla, but will this work for other home-brew conventional setups running 360v?
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

All openinverter based systems
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

Powerwatcher CAN interface has arrived. Don't suppose anyone wants to put together a can dbc that we can all use?
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Re: PowerWatcher Display for Tesla

Post by tom91 »

You could always use the Zero EV can messages for the DU as a base.

Currently populated two messages with the following
Du Can info.JPG
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

Thanks Tom. I'll use that as a template.
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Re: PowerWatcher Display for Tesla

Post by tom91 »

Ok then here is a stripped down DBC attached, also has the base Can info for SimpBMS and the open source Tesla Charger. I removed some info I received in confidentially.

Cannot upload '.dbc' that is why it is rar'ed
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

New webshop for Powerwatcher products :
https://shop.emkit.net/shop
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Re: PowerWatcher Display for Tesla

Post by zippy500 »

Looks interesting.

I just looked at his power watcher 3 high voltage,

Max voltage 200v

Is this correct ?
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

Where did you see 200v for the powerwatcher 3? powerwatcher 2 was limited to 200v NOT powerwatcher 3. powerwatcher 3 can go to 450v.
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Re: PowerWatcher Display for Tesla

Post by jon volk »

Jack Bauer wrote: Mon Oct 14, 2019 7:45 pm New webshop for Powerwatcher products :
https://shop.emkit.net/shop
Just to confirm, the high voltage V3 kit currently in the webshop is ready to go for Telsa LDU compatibility, assuming the proper CAN messages are loaded?
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Re: PowerWatcher Display for Tesla

Post by Igor »

The webshop lists two different powerwatcher 3 kits. The lower priced "middle voltage kit" looks like it's limited to 200v.
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Re: PowerWatcher Display for Tesla

Post by Jack Bauer »

@jon volk no not yet. Seeing as no one wants to bother making a list of can commands for Yuriy it's waiting on me.
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