Description
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
industrial monitors
7-day warranty on manufacturing defects - Full manufacturer coverage against defects
black (as stocked) Origin Original / Authentic Warranty 7-day warranty on manufacturing defects Support Email & WhatsApp 24/7 Key Features
SIM800A LM317 with Antenna(GSM Finger)- ADIY Arduino Uno R3 CH340G Development compatible Board with Micro USB port The MQ-137 Gas Sensor ModuleSIM800A LM317 with Antenna (GSM Finger) ADIY Product Overview The SIM800A LM317 GSM Module is a compact, feature rich cellular communication module designed for DIY enthusiasts, hobbyists, and professionals. This integrated solution combines the SIM800A GSM GPRS module with an LM317 voltage regulator and includes an antenna for reliable wireless connectivity. Key Features SIM800A GSM GPRS Module Quad band cellular connectivity (850 900 1800 1900 MHz)
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























