Sell Mq-2 Gas Sensor Smoke Methane Detection Analog Sensor Module X best price

Brief description: I. long size: 32mm X wide 22mm X high 27mm Ii. main chips: LM393, ZYMQ-2 gas sensors Iii. working voltage: dc 5 volts Iv. characteristics: - has signal output instructions. - two-way signal output (analog output and TTL level output) 3, TTL output valid signal is low level.(When output low-level signal light is on, the single chip microcomputer can be connected directly) - the analog output is 0~5 v voltage, the higher the concentration voltage. - good sensitivity to liquefied gas, natural gas and urban gas. Long-Term service life and reliable stability - rapid response recovery characteristics V. applications: Gas leakage monitoring devices suitable for household or factory, suitable for liquefied gas, butane, propane, methane, alcohol, hydrogen, smoke, etc. Suitable place: single chip computer learning, electronic competition, product development, graduation design.。。