Search found 7 matches

by Cobain Windsurfer
Nov 15 2018 3:58pm
Forum: E-Bike General Discussion
Topic: How To, 50A BBSHD Controller Mod
Replies: 201
Views: 23092

Re: How To, 50A BBSHD Controller Mod

Where the cables enters the controller, there are a lot of tiny cables (white, red, black ...) attached to the board, and two of them got loose. I have not been able to solder them back on, they are just to small. I thought of getting this project completed, but I want some input about what equipme...
by Cobain Windsurfer
Nov 08 2018 5:11pm
Forum: E-Bike General Discussion
Topic: How To, 50A BBSHD Controller Mod
Replies: 201
Views: 23092

Re: How To, 50A BBSHD Controller Mod

Nice to see this thread is still alive! :thumb: I want to discuss what soldering equipment to use for the controller mod. This is very important because the components are tiny and without the right tools, this mod can(will) be a pain in the ass. I used a butane soldering iron, and a electric one an...
by Cobain Windsurfer
Nov 08 2018 4:21pm
Forum: E-Bike Non-hub Motor Drives
Topic: BBSHD 3KW controller opinions (Aust)
Replies: 23
Views: 1421

Re: BBSHD 3KW controller opinions (Aust)

:roll: ...well...why PAY someone else to do the fun part, when you can do it yourself? :mrgreen: :mrgreen: Here is the DIY thread, happy reading and soldering :) :arrow: viewtopic.php?t=83778
by Cobain Windsurfer
Mar 12 2018 11:43am
Forum: E-Bike General Discussion
Topic: How To, 50A BBSHD Controller Mod
Replies: 201
Views: 23092

Re: How To, 50A BBSHD Controller Mod

BBSHD processor chip.jpg Well, it's right there. It would be very challenging to replace the chip. I don't think you could get a new chip from anywhere either. What would be easier would be to re-flash the firmware on the chip, but that is something only Bafang has and they are not likely to give y...
by Cobain Windsurfer
Mar 08 2018 12:13pm
Forum: E-Bike General Discussion
Topic: How To, 50A BBSHD Controller Mod
Replies: 201
Views: 23092

Re: How To, 50A BBSHD Controller Mod

A big thanks to you guys. I swapped out my shunt resistors and capacitors. A bit off topic, but does anyone here know where the ROM/EPROM chip that contains the firmware is located on the PCB? Perhaps it is possible to replace that chip with the one on my faulty controller with the old firmware to ...
by Cobain Windsurfer
Mar 02 2018 6:14am
Forum: E-Bike General Discussion
Topic: How To, 50A BBSHD Controller Mod
Replies: 201
Views: 23092

Re: How To, 50A BBSHD Controller Mod

Some pictures of my mosfet swap out. The new IRFB4110 from is rated 100V. Found very good information about it here https://electricbike-blog.com/bbs02-controller-mods/ Very important to not have used the controller for some time before soldering shunts, mosfets and so on, or there will be shortcuts...
by Cobain Windsurfer
Mar 01 2018 6:11pm
Forum: E-Bike General Discussion
Topic: How To, 50A BBSHD Controller Mod
Replies: 201
Views: 23092

Re: How To, 50A BBSHD Controller Mod

The cap fitting problem can be easily solved by putting a DIY gasket between that can give several mm of headroom. Put a thin layer of oil on the contact area of the controllershell and stamp it on a paper to do a template. Cut the template out and draw on the material. I drilled the gasket out from...