Posted January 2, 2015 Hello, I made the terrible mistake of buying the MCP 655 water pump without the speed controller. So I am looking to buy a custom PWM controller and set it up. I need opinions if the one I am looking at is decent, and would do the job well enough. http://www.ebay.co.uk/itm/400814013957 I noticed some similar boards do not work with BLDC motors, like this one: http://www.ebay.co.uk/itm/191426871071 Why is that? And is the one I am about to purchase, decent? Any recommendations? Thanks in advance! Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted January 3, 2015 If the PCB has no connectors for PWM control, then you are out of luck. Depending on the exact PCB, you may be able to solder on a 4 pin PWM connection though. Sponsored Build log (In Progress): The Utterly Imbalanced CaseLabs TX10-D build(s)! Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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