Catalog > Consumer Electronics > Kits > Smart Kits Humidity Detection Sensor Module Humidity Detection Sensor Module BMT RAIN/WATER SENSOR MODULE HUMIDITY DETECTION SENSOR MODULE . RAIN / HUMIDITY SENSOR MODULE , 24.78 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Voltage: 5VHave power indicator, output signal LED indicatorTTL-level output, TTL output valid signal is low, drive capacity at 100mA, can directly drive relays, buzzer, a small fan, and so onSensitivity adjustable via potentiometerThe output is high LED light up when no rain, and vice verseRaindrops board and the control panel is separate, convenient line leadsA large area of raindrops board, more conducive to rain detectedBoard with positioning holes to facilitate installationControl panel board size: 3x1.6mmThe raindrop detection plate large area 5.4x4.0mmUsage :Connected to 5V power supply power lights, induction board no water droplets DO output is high, the switch indicator lights off, dropping on a drop of water, DO output is low, the switch indicator lights onBrush off the the above water droplets, has returned to output to high state.AO analog output can be connected to the MCU AD port to detect the size of the drops in the above rainfall.DO TTL digital outputs can also be connected to the MCU detects whether there is rain. Downloads Schematic Diagram - RAIN-WATER SENSOR MODULE PDF File 82.78 KB