For my next project, I needed to build in sme thermal protection which would cut off the power in case of overheating. The way to do that, is to use a thermal (cut off) fuse which is a one time use circuit breaker which disconnects the circuit once it reaches a certain temperature. Once the fuse has blown, it needs to be replaced.
My local hardware store had a fuse from “Elmwood Sensors” of type “D076-002” in stock, which is a thermal cut off fuse which blows at 77°C. That is the fuse I am using.
The challenge with those is however: how to solder a lead on to them without blowing the fuse while soldering? This is how I did that:
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