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# optocoupler

Annoying Dishwasher:

The Annoying Dishwasher - Optocoupler's Revenge

May 17th, 2014 7 min read

Do you know the joke about the relay on the ready LED? Well, it didn’t work. As told in previous ‘Annoying Dishwasher’ adventure, it turned out the ready led only turned on as soon as the dishwasher was opened. So the only way I could connect a ‘ready sensor’ to the dishwasher, is by using the original buzzer connections.

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