Rain Drop Sensor

• High quality.
• Area: 5 cm x 4 cm nickel plate on side.
• Anti-oxidation, anti-conductivity, for long use time.
• Potentiometer adjust the sensitivity;
• Working voltage 5 volts
• Output format: Digital switching output (0 and 1) and analog voltage output AO;
• With bolt holes for easy installation;
• Small board PCB size: 3.2cm x 1.4cm;
• Uses a wide voltage LM393 comparator
• VCC: 5V DC
• GND: ground
• DO: high/low output
• AO: analog output