The sprinkler heads are of Toro (backyard) and Hunter (frontyard) with microsprays for garden beds. All with about 7 zones.
The solenoids for each zones are controlled via eight Triacs (7 zones + 1 master valve) connected to a micro-controller (Atmega328P), which is connected to the microserver via FTDI serial-USB converter.
The purpose of this setup is to control the system via web which can be accessed through your smartphone.
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