โมดูลเซนเซอร์ตรวจจับความชื้นสำหรับ Arduino

Product use: Arduino robot Kit , rain , rain sensors , monitoring can be used in various weather conditions , and go into several signal and the AO output . Product introduction: FR-04 1 , sensor using high quality material on both sides , oversized 5.0*4.0C M, with nickel plated surface against oxidation , electrical conductivity , and life more superior performance ; 2 , comparator output signal clean wave good driving ability , than 15m A; 3 , power adjust sensitivity ; 4 , rated voltage and 3.3V-5V 5 output : digital switching output ( 0 and 1 ) and AO analog voltage output ; 6 , with fixing bolt holes for easy installation 7 , small Board PCB dimensions : 3.2cm x 1.4cm 8 , using wide LM393 voltage comparator Features: Connected to 5V power supply , power light is on , when there is no water droplets on the induction plate , DO output is high , the switch light is off , and drops on a drop of water , DO for low-level output , switch light is on , Brush away water drops , but it returned to output high level State . ... AO analog outputs , to connect to SCM AD size detection of rainfall over it . D O TTL digital output can be connected to microcontroller detects rain . Connection mode: 1 , VCC : supply cathode ( 3-5 V) 2 , GND : connect to power negative 3 , DO:TTL switch signal output 4 , AO : analog signal output Package included: 1,rain module * 1 2,20 cm Dupont Line * 1 #Sensor #Module