ESP32 based soil monitoring and irrigation control system. The ESP32 gathers soil status information every 6 hours from a 7-in-1 RS-485 based soil sensor. The soil sensor values are displayed on the channel view page.

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。

A system for monitoring soil NPK levels and recommending appropriate fertilizers