Aquarium (or general purpose) controller

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Joined: 05/10/2019
Location: United Kingdom
Posts: 5856
Posted: 05:24pm 10 Apr 2024      

Thanks. I had a feeling that I'd seen something like that before but I couldn't remember what it was. :)

The mosfet is a VN10KM I got when some Radio Shack stuff was being sold off very cheaply many years ago. It's ancient and battered blue card had been looking at me for all that time and I finally found a use for it. :)

I also added a RC filter to the PWM output, which also helped a little.