Project Power Meter Modbus is an electrical monitoring system designed to measure and display parameters such as voltage, current, power, frequency, and energy using the Modbus communication protocol. The system enables data exchange between a power meter

三層土壤深度（15cm / 25cm / 35cm）RS485感測資料上傳，包含溫度、濕度、含水率、氮磷鉀。

This project measures wind speed in 1-minute intervals, using an RS485 type VMS-3000-FSJT-N01 anemometer.

GAHE GHDS100E Energy Meter is equipped with RS485 Communication. Readings are retrieved by ESP8266 (Wemos Mini) running Modbus RTU library, then send the data directly to Thingspeak every 15 seconds.