• I’m trying to follow the tutorial here (http://www.espruino.com/Heater+Controlle­r), as it does exactly what I need. However, I need to run this off a battery pack rather than a 5V DC wall adapter.

    My first thought was to use a battery pack of 4 AA batteries, generating 6V.

    As I learned in another thread, apparently diodes can be used to knock down voltage. I presume one of those will come into play.

    How can I adapt the tutorial to use a 6V power supply rather than a 5V?



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