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Normally open vibration sensor moduleFeatures-Using the company’s high-sensitivity vibration switch, the default with SW-18015P vibration sensor.The comparator output, the signal clean, good waveform, driving ability, more than 15mAWith a fixed bolt hole, easy to install.The use of wide voltage LM39..

HR 202 Humidity Detection Sensor ModuleFeatures-Adjustable Sensitivity, External GND.Detect Ambient Humidity.Provided with Fixed Bolt Hole, Convenient to Install.Power Indicator Light & Digital Output Indication Lamp.Using LM393 Chip for Stable Work.DO Small Digital Outputs Interface (0 & 1)..

MQ-5 Methane LPG Liquid Propane Gas Sensor ModuleFeatures-High sensitivity to LPG, natural gas, town gas.Small sensitivity to alcohol, smoke.Stable and long life.Simple drive circuit.Fast response. ..

Big DisplayPort to DisplayPort CableNo return no refund..

No warranty No return..

MQ-8 Hydrogen Gas Sensor Module H2 Alarm DetectionFeatures-Using the high-quality dual-panel design, with power indicator and TTL signal output instructions.The switching signal having a DO (TTL) output and analog output AO.TTL output valid signal is low. ( Low-level signal when the output light can..

MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector ModuleFeatures-Good sensitivity to Combustible gas in a wide rangeHigh sensitivity to LPG, Propane, and HydrogenLong life and low costSimple drive circuitCan be used as a Digital or analog sensor..

Capacitive Soil Moisture Sensor V2.0Features-Supports 3-Pin Gravity Sensor interfaceAnalog output..