Beschreibung MQ135 Gas Sensor has high sensitity to Ammonia and could be used to detect Aromatic Compound and Sulfide in wide range. It is suitable for many different applications, can be used as domestic gas leakage detector and industrial combustible gas detector. The gas sensor has a stable performance, fast response time and simple drive circuit, but a low cost. Spezifikation * Model: MQ-135 * Detecting Type: Ammonia, Aromatic Compound, Sulfide * Rated Voltage: DC 5V * Rated Current: 180mA * Detecting Range: 10-1000ppm * Pin Quantity: 4 * Pin Spacing: 1.8mm/ 0.07" * Pin Definition: AO-analog Output,DO-Digital Output,GND- Ground,VCC-Voltage To Current Converter * Total Size: 35 x 20 x 21mm/ 1.4" x 0.79" x 0.83" (L*W*H) * Material: Plastic, Electronic Part Lieferumfang 1x MQ135 Gas Sensor Module