Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
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
0 is a versatile expansion board designed to simplify sensor integration with Arduino microcontrollers
making it suitable for both standalone projects and as the core component in larger IoT systems
IoT & Remote Sensing: Efficiently power remote sensor nodes from higher-voltage battery packs
Raspberry Pi Compute Module 4 with 2GB RAM
1 Channel RF Wireless ON/OFF Smart Switch with RF Remote Control MetroQ MTQ 777 Smart Multimeter The MQ-137 Gas Sensor Module1 Channel RF Wireless ON OFF Smart Switch with RF Remote Control You can control your one AC application up to 1000W operating power for each device with this RF smart switch. This is 1 channel smart relay switch to ON and OFF 220V @50Hz AC applications. It is very easy to install at your existing switchboard to make it wireless with remote control in your hand. RF Remote operates on 433MHz RF frequency with up to 30meter of Range. This Relay system