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STD Voltage Sensor

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Update time: 2017-02-12 11:57:43
Creation time: 2017-02-07 21:57:04
Description
!! for learning and the fun of it, maybe next time an op-amp?!! (all recycled parts, LED's are new) Part of 9 and 5 volt power supply recycling project. Power from right after rectifier, this circuit and sensing circuit need common ground. Sense -> Low: Red LED ON = Power ON, Status LED Blue = Standby, No power to terminals. Sense -> High: Red LED ON = Power ON, Status LED Green = running, terminals have power. ![breadboard][1] ![prototype][2] [1]: /editor/20170209/589c8d5f2eccc.jpg [2]: /editor/20170209/589c8d805324a.jpg
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ID Name Designator Footprint Quantity
1 MC7805CT U1 221A-06 1
2 47uF C1 CAP-D5.0XF2.0 1
3 100nF C2 RAD-0.2 1
4 470 R1,R4,R5 AXIAL-0.3 3
5 2N3904 Q1,Q2 TO-92(TO-92-3) 2
6 3k9 R2 AXIAL-0.3 1
7 100k R3,R6 AXIAL-0.3 2
8 5V Sense J1 M1X2_08_17 1
9 Vcc IN J2 M1X2 1
10 Power LED (Ro) J3 M1X2 1
11 Status LED (Gr&Bl) J4 M1X3 1

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