Recent content by MrWhat

Yakima 728
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  1. MrWhat

    PWM control of heating elements

    For a fairly slow heating process, where temperatures change over minutes, not milliseconds, using a relay, I'd program my own PWM. Turn the relay totally on and totally off over a longer pulse interval, like 10 seconds to 1 minute. As noted by others, relays are not intended to switch at...
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