Gravity: Tipping Bucket Rainfall Sensor

1. Example Code for Arduino-Read Sensor Data via I2C

This example reads rainfall data via the I2C interface. Upload the code to the Arduino UNO, then open the Serial Monitor to view the measured values.

2. Example Code for Arduino-Read Sensor Data via UART

This example reads rainfall data via the UART interface. Upload the code to the Arduino UNO, then open the Serial Monitor to view the measured values.

Reference

Parameter	Value
Working Voltage	3.3-5.5V DC
Working Current	<3mA
Output Signal	I2C/UART
Resolution	0.28mm
Operating Temperature	-40 to 85°C
PCB Size	32mm x 37mm
Flipper Size	118mm x 59mm x 80mm
Mounting Hole Size	3.1mm
Weight	119g (Tipping bucket), 5.3g (PCB)

Num	Label	Description
1	D/T	I2C data line SDA/UART data transmit-TX
2	C/R	I2C clock line SCL/UART data receive-RX
3	-	GND
4	+	3.3V/5V

Gravity: Tipping Bucket Rainfall Sensor

Specification

Pinout