10pcs Electronic DIY Kit MQ-2 Smoke Sensor Detector Natural Gas Alarm Components Kit

Description Working voltage DC5V 6VMain components MQ 2 smoke sensor LM358 integrated chipFunction Detecting liquefied gas propane hydrogen natural gas and other combustible gases When flammable gas is detected the red light is on the buzzer sounds and the relay acts The three are activated at the same time The probe needs to be warmed up for 1 minute so it will work normally after 1 minute of power on Module size 36 59mmThe module outputs a switching signal that can be controlled up to 220V 10A Package included 10 x PCB board10 x MQ2 sensor10 x active buzzer10 x 8P chip holder10 x LM358 chip10 x 5V relay20 x KF3 96 2P terminal block10 x 5MM green LED20 x 5MM red LED20 x 8050 triode10 x 10K adjustable resistor horizontal10 x 10 ohm resistor40 x 2 2K resistor60 x 10K resistor10 x 104 monolithic capacitor