Cheap Controller for 8 Irrigation Valves

Low-cost, battery-powered irrigation controller for up to 8 valves, expandable with Wi-Fi/Bluetooth, designed for energy efficiency.

You can see more details on the https://www.hackster.io/martin125/cheap-controller-for-8-irrigation-valves-447114

Short video can be seen here: https://youtu.be/5YbYZP3csqI

Cheap Controller for 8 Irrigation Valves
I’d like to introduce a low-cost controller for up to 8 valves to irrigate your garden. In this project, I aimed to create the most affordable device possible that operates without mains power—running solely on batteries, optionally supplemented with solar charging. It can also be used with a drip irrigation system that doesn’t require a connection to the water supply, needing only a water tank.
The list of components is just to give you idea about it, you can easily change it for components you already have round you.
Your Garden Without the Need for Daily Irrigation
I used a simple schematic and control system that can be expanded to includ