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STD Raspberry Pi Zero for door lock
Mode: Editors' pick
- 1
Update time：
2019-10-05 01:13:24
Creation time：
2018-12-12 17:45:26
Description
Idea is to us Raspberry Pi Zero as a controller for door lock.
Attached devices:
- electromagnetic door lock (12V, via relay);
- button for door opening inside;
- iButton (1-wire) tablet reader cup for door opening outside;
- LED's of different colors for signalling iButton reading status;
- buzzer for audio confirmation;
- power supply (230V AC -> 12V DC for door lock and rest of electronics).
Design Drawing
schematic diagram
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| ID | Name | Designator | Quantity |
|---|---|---|---|
| 1 | 1k | R1,R2,R7 | 3 |
| 2 | 1-wire probe | W1 | 1 |
| 3 | 4,7k | R3 | 1 |
| 4 | 100mkG | L1 | 1 |
| 5 | 0,1u | C1 | 1 |
| 6 | 10,0u | C2 | 1 |
| 7 | Red | LED1 | 1 |
| 8 | Green | LED2 | 1 |
| 9 | Blue | LED3 | 1 |
| 10 | Raspberry Pi Zero W | JP1 | 1 |
| 11 | 12V Battery | B1 | 1 |
| 12 | MAX3370E | P1 | 1 |
| 13 | DS9503 | D1 | 1 |
| 14 | 5A/12V UPS | P2 | 1 |
| 15 | 100uF | C3 | 1 |
| 16 | 1k | R4 | 1 |
| 17 | 560 | R5,R6 | 2 |
| 18 | 7805 Voltage Regulator | U1 | 1 |
| 19 | Door lock (12V for lock) | P3 | 1 |
| 20 | Secret button | SW2 | 1 |
| 21 | Door open button | SW1 | 1 |
| 22 | 1-H Relay module | RELAY1 | 1 |
| 23 | DTC114EKA | Q1 | 1 |
| 24 | DTA114EKA | Q2 | 1 |
| 25 | piezo buzzer PS1240 | BUZZER1 | 1 |
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