RS485 Soil EC Temperature and Humidity Sensor Conductivity Sensor temperature and soil content PR-3000-ECTH-N01
Conductivity sensor 0-20000 us/cm, measure temperature -40 degrees to 80 degrees and soil moisture 0-100%, can be connected to arduino esp8266 esp32, sends data as RS485 model PR-3000-ECTH-
How to connect devices, teach how to use Arduino, conductivity sensor temperature and soil content PR-3000-ECTH-N01
1. Connect the device as below Arduino UNO R3 -> PR-3000-ECTH-N01 • 5V -> VCC • GND -> GND Arduino UNO R3 -> RS485 • 5V -> VCC • GND -> VCC • 2 -> RO • 3 -> DI • 7 -> DE • 8 -> RE PR-3000-ECTH-N01 -> RS485 • VCC -> Brown wire • GND -> Black wire • B -> Blue wire • A -> yellow line
