powerlab 8 question

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powerlab 8 question

Postby firehopper » 07 Dec 2018, 00:46

I just ordered a powerlab 8
what I want to know is what size the banana jacks are. so I make sure I get the right ones, I cant seem to find this info out.
going to be using it for rc lipos and some 12 volt 7ah gel cells for my flashlight. and the occasional nicd
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Re: powerlab 8 question

Postby Burgerman » 07 Dec 2018, 01:58

https://www.ebay.co.uk/itm/10Pcs-Red-Bl ... SwlLlcBjTS

Use only these. Cant be shorted, and unlike most stay cool at 40A...

Get a balance cable and board, from revolectrix, to suit 8S, and FUIM3.
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Re: powerlab 8 question

Postby firehopper » 07 Dec 2018, 02:06

I have the fuim3 already, got it a while ago for use with a cellpro 10s :) dont think I can use the balance boards I have for use with the 10s with the pl8.
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Re: powerlab 8 question

Postby firehopper » 07 Dec 2018, 19:20

Well since I've been bored, I've been working on creating a schematic from the fuim3 I have, and its fairly simple. I wont be able to complete it, as I would have to take everything off the board to see the vias and traces under the ftdi chip. and usb port, and I dont want to do that because its the only one I have :) dont have confidence that I could put it back together and have it work :) but I have 1/2 of it traced out, easy, the side that connects to the charger was rather simple. and kinda neat the way they get data to and from it via one wire :)
white is data, red is power from charger, and black is of course ground. I'll be adding a schematic eventually just give me a bit of time.
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Re: powerlab 8 question

Postby Burgerman » 07 Dec 2018, 20:15

You may be interested to see the bluetooth conversion I did on the old hyperion.

https://www.wheelchairdriver.com/hyperi ... ersion.htm
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Re: powerlab 8 question

Postby firehopper » 07 Dec 2018, 20:54

nice job!
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Re: powerlab 8 question

Postby snaker » 08 Dec 2018, 01:25

@firehopper: I am interested in your job of hacking the fuim3 board. I am experimenting esp32 boards. They are very cheap but powerful and have built-in wifi/bluetooth. It would be nice and useful if we could connect an esp32 directly to the PL8 base.
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Re: powerlab 8 question

Postby Burgerman » 08 Dec 2018, 02:43

You can use the output 3 pin to work a very cheap Bluetooth module directly. But need a 5v power supply. You can get that inside the PL8.
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Re: powerlab 8 question

Postby firehopper » 08 Dec 2018, 13:54

snaker wrote:@firehopper: I am interested in your job of hacking the fuim3 board. I am experimenting esp32 boards. They are very cheap but powerful and have built-in wifi/bluetooth. It would be nice and useful if we could connect an esp32 directly to the PL8 base.

well I'm not hacking it. I just made a schematic of the interface. and actually the part I finished is prolly usefull enough for you. its a horrible schematic. but it does show what you need to know. let me tidy it up a lil bit and I'll post it. basicly need a 3.3volt ldo reg, some caps and a diode, and some optocouplers :)
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Re: powerlab 8 question

Postby firehopper » 08 Dec 2018, 17:54

hey burgerman, where can I find your pl8 settings, I havent managed to find them for if I want to charger the chair batteries via the pl8
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Re: powerlab 8 question

Postby Burgerman » 08 Dec 2018, 18:54

Will post one here if you tell me battery Ah, and type, and are you charging via 12A max XLR, or via anderson?
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Re: powerlab 8 question

Postby firehopper » Yesterday, 02:40

I'll look at the batterys when I get a chance, chair is out in the garage :), there are already andersons on the batterys, the chair uses them to connect to the controll module. just gotta get a set of those monsters for myself :) and maybe keep the batteries inside where its warmer than outside.
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Re: powerlab 8 question

Postby Burgerman » Yesterday, 11:32

Will post one here if you tell me battery Ah, and type, and are you charging via 12A max XLR, or via anderson?


And what charge rate?
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Re: powerlab 8 question

Postby firehopper » 31 minutes ago

well at this point in time I only have a 12volt 25 and 60 amp power supplys.. no 24volt supply as of yet. so maybe only 10 amp for now..
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