Smoke Alarm Module Smoke Alarm Smoke Detector Module

1. Power supply: 3.7V
2. Static current: Less than 10uA
3. Maze: diameter 36x16MM
4. Sensor: infrared transmitting tube + receiving tube (one pair)
5. Alarm output: sound + high level (monitoring status is low level, outputs high level after alarm, and returns to low level after reset)

6. Volume: greater than 85dB/1M
7. Sensitivity alarm range: 0.1-0.3 (M value)
8. Noise reduction function: yes (low level is effective)
9. Communication method: high and low level (1. After the smoke alarm, it will send a continuous high level to the main board; 2. When the product is in the alarm state, the main board will send a low level for 5 seconds to the smoke, and then the smoke will enter Silent state, this state lasts until the smoke detector is reset)
10. Height limit for the top floor: 18mm; height limit for the lower floor: 8mm
11. Buzzer line length: 50mm
basic skills
After the product is powered on for 10 seconds, it enters the monitoring state; 1. When smoke is detected, the smoke detector sends a continuous high-level signal to the main board after the smoke detector alarms. This level lasts until the smoke dissipates, and the smoke detector returns to a low level after reset;
2. When the product is in the alarm state, the main board will give a low level for 5 seconds to the smoke sensor, and then the smoke sensor will enter the silence state, and this state will last until the smoke dissipates, and the smoke sensor will reset.
Different batches may result in different product appearances, printed text, and colors, which do not affect usage.
Colour:green
Material:PCB

Package Contents:
1 x Module

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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