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              HomeSensor MQ2 Gas Sensor
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              NodeMcu Development Board LKR 750.00

              MQ2 Gas Sensor

              LKR 240.00

              Out of stock

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              SKU: M003 Category: Sensor Tag: Show all items
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              Description

              01. The switching signal having a DO (TTL) output and analog output AO ;
              02. TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
              03. Analog output voltage with the higher concentration of higher voltage.
              04. A gas, natural gas, city gas , smoke better sensitivity.
              05. Has a long life and reliable stability
              06. Rapid response and recovery characteristics
              07. Input voltage : DC5V Power consumption ( current ): 150mA
              08. DO output : TTL digital 0 and 1 ( 0.1 and 5V)
              09. AO output :0.1-0 .3 V ( relative to pollution ) , the maximum 10. concentration of a voltage of about 4V
              11. Special note: After the sensor is powered , needs to warm up around 20S, measured data was stable , heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal .

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              01. Type: Gas Sensor (Alcohol / Ethanol Detector) 02. Model: MQ-3 03. Operating Voltage: (DC) 3V - 5V. 04. Analog Output: 0V - 5V higher concentration results in higher voltage. 05. Digital Output: TTL output for microcontrollers. 06. PCB Size: 32mm x 22mm x 22mm
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              Capacitive Touch Sensor

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              LKR 1,290.00
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              Pololu Reflectance Sensor Array -QRT8A

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              Ultrasonic Module

              LKR 210.00
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              • Power supply :3-5v
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              Solar Panel Cell 1V 60mA

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              Infrared Optical Sensor RPR359

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