Dummy loads and heat sinks

We really enjoyed Dave’s video about a junk box constant current load. It can be used to test a number of things like battery capacity, heat sink characteristics.

Via Hackaday.

2 comments on this post.
  1. tayken:

    Can his solution “hacked” to turn it into a constant current source? Just out of curiosity.

    Heat sink part was really good. I was just buying a small and simple heat sink and hoping it would work. :D

  2. John:

    Hi,
    Just wondering, how can I use the dummy load you created to test a negative power supply?
    Thanks!
    John

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