Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
81
220/330Ω resistor
1
10KΩ Potentiometer
1
USB Cable
1
UNO R3
1
Breadboard
1
Jumper wires
Several
Connection diagram
UNO R3 Watersensor
GND -> -
5V -> +
A0 -> S
UNO R3 LCD1602_IIC
GND -> GND
+5V -> VCC
SDA -> A4
SCL -> A5
Compile and upload
Tips: Refer to the operation demo (Step4 to Step8).