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STD 555 Timer Gun Alarm
555 Timer Gun Alarm
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Update time：
2018-02-04 15:26:35
Creation time：
2018-02-04 08:52:31
Description
Description
555 Timer based circuit with a flashing led to indicate the alarm is on. When gun is removed the switch is opened and sets the alarm off.
Design Drawing
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | NE555P | U1,U2 | DIP-8 | 2 |
| 2 | BUZZER | SG1 | BUZZER-12MM-KIT | 1 |
| 3 | 100k | R1 | AXIAL-0.3 | 1 |
| 4 | 9 | V1 | BATTERY-1 | 1 |
| 5 | 204-10UYC/S530-A3 | LED1 | LED-3MM/2.54 | 1 |
| 6 | 680k | R2 | AXIAL-0.3 | 1 |
| 7 | 10k | R3 | AXIAL-0.3 | 1 |
| 8 | 1k | R4 | AXIAL-0.3 | 1 |
| 9 | 10u | C1 | CAP-D3.0XF1.5 | 1 |
| 10 | DUAL_SWITCH_INV | SW1 | NONE | 1 |
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