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a USB connection
Input Voltage (Limit)
12-bit resolution
Soldering iron head to ground resistance / voltage: <2Q / <2mV
Model SG90
Rain Detection Sensor with LM393 Comparator ARD-SHLD a USB connectionRain sensors are used in the detection of water beyond what a humidity sensor can detect. It can be used as a switch when raindrop falls on the rain board and also for measuring rainfall intensity. The module features, a rain board and the control board that is separate for more convenience, power indicator LED and an adjustable sensitivity though a potentiometer. Adopts high quality of RF 04 double sided material. Area: 5cm x 4cm nickel plate on
US$ 190.00
US$ 15.00
US$ 150.00
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