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Categories: Sensors
Ultrasonic Sonar Sensor
Rated 1.00 out of 5
(1.00)1 Review
(1) Using IO trigger for at least 10us high level signal,
(2) The Module automatically sends eight 40 kHz and detect whether there is a
pulse signal back.
(3) IF the signal back, through high level , time of high output IO duration is
the time from sending ultrasonic to returning.
Test distance = (high level time×velocity of sound (340M/S) / 2
Categories: Sensors
MQ-4 Methane Natural Gas Sensor
Rated 0 out of 5
0 ReviewsFeatures :
- Signal output indicator
- Dual Signals output (analog output and TTL output)
- The TTL output signal is low level, allows to connect with SCM directly
- Analog output 0~5V voltage
- High sensitivity
- Long working life and stable performance
- Quick response and recovery.
Categories: Sensors
DS18B20 Waterproof Temperature Sensor
Rated 0 out of 5
0 Reviews
Stainless Steel SheathSize: 6 x 50mm; 36 inch long wire with 4.7 K ohm ResistorPower Supply Range: 3.0V to 5.5VOperating Temperature: -55c to 125cStorage Temperature: -55c to 125cAccuracy throughout range: -10c to 85c: +/- 0.5cOutput Leads: Red (VCC), Blue (Data), Black (GND)
Categories: Sensors
Soil Moisture Sensor
Rated 0 out of 5
0 Reviews
Operating voltage: 3.3V~5V.
Adjustable sensitivity (shown in blue digital potentiometer adjustment)
Dual output mode,analog output more accurate.
A fixed bolt hole for easy installation.
With power indicator (red) and digital switching output indicator (green).
Having LM393 comparator chip, stable.
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