Hydroponic greenhouse with ESP8266 – Open Electronics


By Marco Ventimiglia on August 7, 2022

With hydroponic cultivation we imply a unique technique of plant development, in actual fact as a substitute of the earth there’s water with dissolved mineral salts that flows between the roots. On this undertaking we are going to see how a hydroponic greenhouse managed by an ESP8266 was constructed.


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The system consists of pumps and temperature sensors managed by a NodeMCU with ESP8266. The microcontroller is linked to an I/O port expander which in flip is linked to a 16 relay module to be able to activate units that function at mains voltages. There are additionally 2 1.3 “OLED shows and an RTC module for actual time preserving.

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About Marco Ventimiglia