- Quantity: 1 - Material: FR4 + electrical component - Main chip: LM393, MQ135 gas sensor probe - Working voltage: DC 5V - With signal output indicator - When effective signal is low, the indicator light on - Can be connected to microcontroller IO port - The higher voltage, the higher gas concentration - High sensitivity to sulfide, benzene steam, smoke and other harmful gases - Fast response and recovery - Detection range: 10 to 1000ppm - Probe can plug, convenient for experiment - Suitable for home and industry gas leakage monitoring device datasheet: MQ-135 MQ135 https://www.futurlec.com/Datasheet/Sensor/MQ-135.pdf Silahkan diorder...