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STD Rain Sensor
Rain Sensor
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Update time：
2021-12-12 16:43:16
Creation time：
2019-05-08 12:58:39
Description
Description
Simple circuit which produces an alarm when water is detected.
Design Drawing
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Rain Sensor | P1 | HDR-1X2/2.54 | 1 |
| 2 | 2N2222 | Q2,Q3 | TO-92(TO-92-3) | 2 |
| 3 | 100pF | C5 | RAD-0.1 | 1 |
| 4 | Piezo Buzzer | BUZZER1 | BUZZER-R6.0-2P-6.5PITCH | 1 |
| 5 | 100uF | C4,C2 | CAP-8*5 | 2 |
| 6 | 22uF | C1 | CAP-D5.0XF2.0 | 1 |
| 7 | 10K | R3 | AXIAL-0.5 | 1 |
| 8 | 10nF(103) ±5% 100V | C3 | CAP-2.5*6*7 | 1 |
| 9 | 330 | R2 | AXIAL-0.4 | 1 |
| 10 | 1N4007 | D1 | DO-41 | 1 |
| 11 | NE555P | U1 | DIP8 | 1 |
| 12 | 3.3K | R6,R5 | AXIAL-0.4 | 2 |
| 13 | 68K | R7 | AXIAL-0.4 | 1 |
| 14 | 47K | R4 | AXIAL-0.4 | 1 |
| 15 | BC548B | Q1 | TO-92(TO-92-3) | 1 |
| 16 | 2A5Y3UD09 LED | LED1 | LED-2*5*7 | 1 |
| 17 | 220K | R1 | AXIAL-0.4 | 1 |
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