Bafang 850C 4 pin display controller pinout

Paman131

1 µW
Joined
Jun 24, 2021
Messages
1
Hi,

I am looking for the pinout of this display controller :
s-l1600.jpg

I found this item on ebay https://www.ebay.de/itm/362788288622 and it would fit my project.
Does anyone know the protocol?

In the 850C manual (https://california-ebike.com/wp-content/uploads/2013/10/850C.pdf) I only found a 5 wire pinout.

Thanks a lot!
 
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