Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Sensor Using FR-04 Double-Sided Material, Area 5.0*4.0cm, And With Nickel-Plated Surface Treatment, With More Performance On Oxidation Resistance, Conductivity, And Life; _x005f_x000D_ Comparator Output, Clean Signal, Good Waveform, Drive Ability, More Than 15ma. _x005f_x000D_ With Potentiometer To Adjust The Sensitivity; _x005f_x000D_ Operating Voltage 3.3V-5V _x005f_x000D_ Output Form: Digital Switching Output (0 And 1) And Analog A0 Voltage Output; _x005f_x000D_ With Fixed Bolt Holes For Easy Installation _x005f_x000D_ Size: 55*40*5mm/2.15*1.56*0.2in _x005f_x000D_ Use Wide Voltage LM393 Comparator _x005f_x000D_ Product Usage: _x005f_x000D_ Robot kit, raindrop, rain sensor, can be used for monitoring various weather conditions and converted to digital signal and AO output. _x005f_x000D_ Function Description: _x005f_x000D_ Connect the 5V power supply, the power indicator is on, when there is no water drop on the sensor board, DO output is high, the switch indicator is off. _x005f_x000D_ When there is a drop of water on the sensing board, DO output is low level, switch indicator light, brush off the water drop on it, and it returns to output high level state. _x005f_x000D_ AO analog output, can be connected to the AD port of the microcontroller to detect the size of the rain drops on it. _x005f_x000D_ DO TTL digital output can also be connected to the microcontroller to detect whether there is rain. _x005f_x000D_ Wiring Mode: _x005f_x000D_ 1. VCC: connected to the power supply positive (3-5V) _x005f_x000D_ 2. GND:connect the negative power supply _x005f_x000D_ 3. D0:TTL switch signal output _x005f_x000D_ 4. A0:Analog signal output _x005f_x000D_ Shipping List: _x005f_x000D_ 1. As shown in the picture of the raindrop sensor board and control board each one _x005f_x000D_ 2. 20cm DuPont line 2, convenient wiring _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1*Raindrop Sensor Board+Control Board _x005f_x000D_ 2*20cm Dupont Cable 1.High Sensitivity: The raindrops detection sensor module boasts high sensitivity, allowing for quick and accurate detection of raindrops. Some modules offer adjustable sensitivity settings, enabling users to customize the detection level according to different environments. 2.Reliability and Stability: With high-quality materials and reliable manufacturing processes, this rain weather humidity module ensures exceptional stability and reliability, making it suitable for long-term applications. 3.Rapid Response: The rain water sensor relay control module can detect raindrops in real-time and generate corresponding output signals promptly, enabling users to take timely actions based on the detected rainfall. 4.User-Friendly Design: The rain drops detection moisture monitor sensor features a simple interface, making it easy to use. Simply connect the power supply and read the output signal. It is widely applicable in various fields such as smart homes, automated irrigation systems, weather monitoring, and vehicle raindrop sensing. 5.Low Power Consumption and Compact Design: This raindrops controller sensor module is designed with low power consumption, saving energy and ideal for battery-powered or long-running applications. Raindrop detection sensor modules are typically compact and lightweight, making them suitable for space-constrained scenarios.