All technical parts that are necessary for operation but without programming. 

This system is intended for people who want to do the programming themselves. There is no qualitatively controlled nutrient addition based on sensor measurements. The nutrient consumption is determined several times by hand and then administered cyclically using the determined values ​​by the dosing pumps after programming.

 Consisting of:

• RaspBerry 4B, 4GB
• SD card 16 GB with Ubuntu operating system
• 3 dosing pumps for nutrient solution 1, 2 and 3
• Micro-HDMI to HDMI adapter for standard screens
• 20.4 watt power supply for Raspberry 4 (5.1 volt output)
• Hand EC value tester 0.0 to 3.0 
• Hand pH value tester 0 to 14 pH
  
  

The system is not assembled.
The software is not installed.