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Is anyone know schemes of cycle timer with microcontroller or whatever with 20 sec on and 15 min off regimen? Answered

for 220V water pump


So you want to get a microcontroller to do this, what is it you're trying to do? There may be a simpler way we can recommend so you don't have to buy a microcontroller.

If you do need a microprocessor there are LOADS to choose from. The Arduino environment is quite easy to use and has loads of documentation. www.arduino.cc