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STD smoke detector design
Mode: Editors' pick
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Update time：
2022-02-22 15:15:57
Creation time：
2022-02-19 18:05:57
Description
for this project i used:
Arduino UNO
Smoke Detector
Power Supply.
In this Smoke Detector Circuit with Arduino, I used a MQ2 Gas Sensor to detect preset smoke in the air. A 16x2 LCD is used for displaying the PPM value of Smoke. And an LM358 IC for converting smoke sensor output into digital form (this function is optional). A buzzer is placed as an alarm which gets triggered when smoke level goes beyond 1000 PPM.
Attached below is the program for the circuit and the gerber file
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 19-217-R6C-AL1M2VY-3T | D1,D2 | SEEED-LED-0603 | 2 |
| 2 | ARDUINO_R3_SHIELD | J1 | UNO_R3_SHIELD | 1 |
| 3 | P125-1103A0BS116A1 | J2 | H3-2.54 | 1 |
| 4 | Smoke Module | J3 | H4-2.54 | 1 |
| 5 | 10k | R1,R3 | TRIM_POT_PTH | 2 |
| 6 | 1k | R2,R4,R5,R7 | R1206 | 4 |
| 7 | 10k | R6,R8 | R1206 | 2 |
| 8 | BUZZER | SG1 | BUZZER-12MM | 1 |
| 9 | LCD-16X2 | U1 | LCD-16X2 | 1 |
| 10 | LM358 | U2 | DIP8 | 1 |
| 11 | Smoke_SENSOR | U3 | MQ-3 | 1 |
| 12 | BC547 | U4 | SEEED-SOT-23 | 1 |
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