Digital signal output 18B20 Temperature Sensor Chip Resolution adjustment ranges from 9-12 bytes. Send data via a pin Temperature measurement ranges: -55°C to +125°C, be accurate to 0.5°C.
Operating Voltage: 1.71V to 3.6V – would typically be operated from 3.3V. Operating Temperature: -40 to +85 deg. Celsius (full accuracy between 0 and +65 deg. C). Peak current: 1.12mA. Operating Pressure: 300 hPa to 1100 hPa. Accuracy between 700 to 900hPa and 25 to 40 deg. C: ±0.12hPa and ±1.0m.
Operating Voltage: 5 V Sonar Sensing Range: 2-400 cm Max. Sensing Range: 4500 cm Frequency: 40 KHz Thickness: 2.8-3.1 mm The diameter of mounting hole: 3.8mm Mounting Bracket Material: acrylic
Can sense tobacco smoke and pollen, house dust and so on. It can measure 1 micron or more of small particles. Small size, lightweight, easy to install. 5 V input circuit for signal processing. Built-in airflow generator, you can attract the external atmosphere.
Power supply voltage: DC5 ± 2V Sensitivity: 0.5V / (0.1mg / m3) The minimum detection level of particles: 0.8 m Clean air voltage: 0.9V typ. Low consumption current (Icc: MAX. 20 mA) The presence of dust can be detected by the photometry of only one pulse Enable to distinguish smoke from house dust
Operating voltage: 5V Provide both digital and analog output Adjustable sensitivity Output LED indicator Compatible with Arduino TTL Compatible Bolt holes for easy installation
5V Dc Power Supply Power indicator light The comparator output is light High Sensitivity Sound Microphone Sensor Detection Module Electric condenser microphone
High precision Capacitive type Full range temperature compensated Relative humidity and temperature measurement Calibrated digital signal Outstanding long-term stability Extra components not needed Long transmission distance Low power consumption 4 pins packaged and fully interchangeable
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