MQ-137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module Raspberry Pi4 2-4-8GB Model 4B Ultimate Kit- Case Each LED is individually addressable

Each LED is individually addressable and can also function as a light sensor

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degreesC / degreesF Switchable: Toggle between Celsius and Fahrenheit units based on your preference

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MQ-137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module Raspberry Pi4 2-4-8GB Model 4B Ultimate Kit- Case Each LED is individually addressableMQ 137 NH3 Gas Sensor Module for Ammonia & Carbon Monoxide Detection Product Overview The MQ 137 Gas Sensor Module is a high sensitivity semiconductor gas sensor designed for detecting ammonia (NH3) and carbon monoxide (CO) in various applications. This reliable, cost effective solution is ideal for environmental monitoring, industrial safety systems, and DIY electronics projects. Key Features High Sensitivity Detects ammonia concentrations from 10