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STD irrigation valve extender

License: Public Domain

Mode: Editors' pick

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Update time: 2018-10-05 04:21:24
Creation time: 2018-10-05 03:23:11
Description
it's a simple circut to extend the total number of ports in an irrigation computer, the user case is: then you waant to add new solenoid valves that are far away from an irrigation controler and dont want to install all the cable cords, you could use this circut that would be closer to the valves. this circut is powered just by one couple of wires (originaly used to open just one valve) with a signal from the controler. the signal will be as an example 10 min, the circut will have 1 imput for the main line (originaly irrigation valve line) and 4 outputs. the circut will use cascade 555 ic's with somw jumpers or so to select the time for each new conected valve. output 1: 3 min output 2: 1 min output 3: 2 min output 4: 4 min
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ID Name Designator Footprint Quantity Mounted
1 1k R1,R2,R3,R4,R5,R6,R7,R8,R9 AXIAL-0.3 9 Yes
2 1u C1,C2,C3,C4,C5,C6,C7,C8,C9,C10,C11 RAD-0.1 11 Yes
3 555 U1,U2,U3,U4 DIP8 4 Yes
4 EVQ22705R SW1 KEY-6.0*6.0-4 1 Yes C79156

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