⚙️ MQ-9 Gas Sensor Module ? کاربرد: ماژول سنجش گاز CO/CH4/LPG ? مشخصات: ✅ Working Voltage: 5V ✅ Heating consumption: 750 mW ✅ Load resistance: 20 kΩ ✅ Heater resistance: 33 Ω ✅ Sensing Resistance: 2-2000 kΩ ✅ Detecting Concentration CO/CH4/LPG Scope : 1000-10000 ppm #MQ-9