Automatic Sprinkler Controller (the 1st)

Published:2011/8/6 21:12:00 Author:Felicity | Keyword: Automatic Sprinkler Controller (the 1st) | From:SeekIC

Work of the circuit The circuit consists of clock timing controller, a single-shot, flip flop, electronic switch, self-excited multivibrator, counter, solenoid valve control circuit and power circuit. (It is showed in picture 4-80.) Clock timing controller consists of digital electronic clock integrated circuit ICl, IC2, LCD liquid crystal displays, quartz crystal BCl, BC2, adjustable button Sl-S4, battery GBl, GB2 and capacitors Cl-C6. Single-shot consists of dual D flip-flop within the D flip-flop integrated circuit IC3 Al and peripheral components. Flip flop consists of D trigger A2 within IC3. Electronic switch consists of High-power switch integrated circuit IC4. Self-excited multivibrator consists of time-base integrated circuits IC5 and peripheral components. Counter consists of counter / divider integrated circuit IC6 and peripheral components. Solenoid valve control circuit consists of electronic switch integrated circuit IC7. ICI5, relay Kl-K9, LED VLl-VL9, solenoid valve YVl-YV9 and resistors R8-R25. Power circuit consists of electronic switch integrated circuit IC7. ICI5, relay Kl-K9, LED VLl-VL9, solenoid valve YVl-YV9 and resistors R8-R25.



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