Rain Raindrops Controller Module Detection Rainwater Foliar Sensitivity Sensor Power ModuleModule Size：Length:1.22inch/31mmWidth:0.55inch/14mmHeight:0.24inch/6mmControl Board Size：Length:1.97inch/50mmWidth:1.57inch/40mmWiring Method:VCC: Connect to the positive pole of the power supply (3-5V)GND: Connect to the negative pole of the power supplyDO: TTL switch signal outputAO: Analog signal output (different voltages are output at different distances, this pin generally does not need to be connected)Features:⚪The sensor:more superior performancethe high quality FR - 04 double materialtreatment of nickel plating and surfacefight oxidationmore superior performanceelectrical conductivity and life⚪With potentiometer sensitivity adjustment;Instructions for use of the module:When connected to the 5V power supply, the power indicator light is on, and there are no water droplets on the induction board.The DO output is high, the switch indicator is off, and a drop of water is dropped.The DO output is low, and the switch indicator is on,Brush off the water droplets on it, and return to the output high state.AO analog output, can be connected to the AD port of the single-chip microcomputer to detect the amount of rainfall dripping on it.The DO TTL digital output can also be connected to a microcontroller to detect whether there is rain.Working voltage:3.3V-5VOutput Form: 1.digital switching output (0 and 1) 2.AO analog voltage outputEquipped with fixing bolt holes ：easy installationUse wide voltage LM393 comparatorStrong drive capacityThe signal is cleanThe waveform is goodWorking Current: 15mAPlace of Application:·Robot kits·aindrops, rain sensors,It can be used for monitoring various weather conditions,and converted into digital signal and AO output.Package contains:3 Pcs Rain Raindrops Controller Module kit