Every Liter Counts! Arduino Water Doser "Shield"

Hi! With this instructable , you can dose a desired amount of water. The system can work in mL and L. We will use an Arduino UNO, a flow meter to count the amount of water, a LCD to show the status , push buttons to change settings and a relay to activate a solenoid valve. The system can have many applications: water the garden, mix water with some ingredients, fill a tank, control water consumption, etc. In a first attempt, i tried to make it on a breadboard, but due the 8 push buttons (a lot of wires), disconnections, wrong measures and the need to test outside or near a water source, I decided to make a “shield”. If you never made a PCB, maybe this is a good time. It is easy, you only need to be careful with the involved elements. I made a quick guide for the PCB . If you need more details , you can find good tutorials on this page.”

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