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Mini Digital Smoke and Temperature Dual Detector Module BM22S2302-1

US$5.50 (Excl. Tax)

In stock

Quantity

15 pieces

Product ID

BM22S2302-1

Compact Design, Precise Detection — Mini Smoke & Temperature 2-in-1 Digital Module (SMD)
This module integrates an MCU, dual-wavelength (red & blue) photoelectric sensing, and an ultra-compact labyrinth structure. With its proprietary algorithm, it accurately identifies various smoke signals. Its plug-and-play design eliminates the need for external driver circuits, enabling fast and efficient system integration.
Featuring high integration, compact size, long lifespan, and competitive cost advantages, the BM22S2302-1 is an ideal solution for energy storage cabinet alarms, new energy fire detection systems, and IoT smart devices, providing a reliable safety solution for your applications.

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Features

Operating Voltage: 5.0V
Operating Current: 2.2mA (typ.)
Sleep Current: 5.0µA (typ.)
Detection Range: 0.1dB/m ~ 1.0dB/m
Temperature and drift compensation supported
Adjustable alarm sensitivity
Interface: UART, STATUS
Communication: UART
Baud Rate: 9600 bps

Pin Description

Pin No.	Pin Name	Type	Description
1	5V	PWR	Power supply (VCC)
2	GND	PWR	Ground
3	RX	I	UART RX input (TTL level 5.0V)
4	TX	O	UART TX output (TTL level 5.0V)
5	STATUS	O	Alarm status output (High: 5.0V, Low: standby)
6-8	GND	PWR	Ground