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STD Automatic Tap copy
Automatic Tap copy
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Update time：
2021-10-04 11:29:53
Creation time：
2019-03-25 14:40:29
Description
Description
This is a simple automatic water tap circuit for washbasin using a 12v solenoid valve. Proximity sensor sends the signal to a 555 timer so it keeps the signal high for 6 seconds which will activate the valve using an NPN transistor.
Design Drawing
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | LM358P | U1 | DIP-8 | 1 |
| 2 | IR333C-A R | U2 | LED-5MM-2.54MM | 1 |
| 3 | 1k | R1,R3,R4 | AXIAL-0.3 | 3 |
| 4 | 10k | R2 | RES-ADJ_3386P | 1 |
| 5 | LED-3MM | LED1 | LED-3MM/2.54 | 1 |
| 6 | SFH205F | D1 | PHOTODIODE_SFH205 | 1 |
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