Block Diagram of the SmartGarden3 with Hydroponics. The control panelsshows the status of the Raspberry Pi all valves, and all Bluetooth Sensors (9 in this case). Coming soon to Kickstarter on or about January 9th! #smartgarden3 #hydroponics #science #switchdoclabs #3dprinting #raspberrypi #esp32 #bluetooth Hydroponic unit: Ph, Turbidity, TDS, temperature and valve and light control! Coming soon to Kickstarter! #smartgarden3 #hydroponics #science #switchdoclabs #3dprinting #raspberrypi #esp32 #bluetooth https://www.instagram.com/p/CYSWmgKvnL5/?utm_medium=tumblr














