So my 10yr old had to create and maintain a vege garden for a school project this term which has been quite fun.
Garden is looking mint and being judged in 2 weeks time. So i just couldn't help myself
Rummaged thru the old parts bin and found a carrier board for Oxygen that is 9-24v powered with 4 highside switches so decided to order some water solenoids and slapped on a BLE to IoT the garden...
I soon found out that Newton's Third Law is quite real :