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disadvantages
This is a simple compressed natural gas (CNG) sensor for sensing natural gas concentrations in the air (mostly Methane [CH4])
Portable refrigerators
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The PCF8591 has the four analog inputs
E18-D80NK Infrared Sensor Module raspberry pi 3B+ disadvantagesE18 D80NK Infrared Sensor Module The E18 D80NK Adjustable Infrared Sensor Switch 3 80cm is a set of transmitters and receivers in one of the photoelectric switch sensors. The detection distance can be adjusted according to the demand. The sensor has a detection range of 3 80cm. The Adjustable Infrared Sensor Switch is small, easy to use, inexpensive, easy to assemble and can be widely used in a robot to avoid obstacles, interactive media, industrial
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