ESP8266 in combination with a eight port multiplexer to support up to 8 capacitive soil moisture sensors. The esp8266 reads the sensors every 10 minutes, transfers the readings via MQTT to a broker ...

This is a personal project to build a Capacitive Soil Moisture Sensor for my hobby of growing chillies. The project consists of three parts: the hardware (PCB and Sensor(s) etc.(, the case to hold the ...