| MG811 CO2 Sensor Module 6VDC Gas Sensor Module MG-811 Carbon Dioxide Sensor Module 0～2V Analog Output 23-01-2024 04:07 | | Approximately 25 days (usually) | 30.50 |
| MG811 CO2 Carbon Dioxide Sensor Module Voltage type 0-2V Analog Output MG-811 Sensor Module Gas CO2 Sensor Module 23-01-2024 04:07 | | Approximately 25 days (usually) | 32.54 |
| Gas Sensor Modules Gas Detection Module Low/High Concentration MQ131 MQ136 MQ137 MQ138 MQ139 MG811 TGS813 Gas Sensor Detector 30-12-2023 08:59 | | Approximately 25 days (usually) | 33.17 |
| CO2 carbon dioxide sensor module MG811 voltage type 0-2V voltage output MG-811 25-10-2023 10:25 | | Approximately 25 days (usually) | 48.00 |
| Electrochemical Carbon Dioxide Sensor CO2 Concentration Detection Module Arduino Mg-811 23-01-2024 04:07 | | Approximately 25 days (usually) | 79.00 |
| Electrochemical Carbon Dioxide Sensor CO2 Concentration Detection Module MG-811 17-11-2023 02:44 | | Approximately 25 days (usually) | 165.60 |
