namikingsoft/suiko

Prototype of Hydroponics system for aeration and liquid fertilizer adjustment via Bluetooth

Suiko

This is prototype of Hydroponics system for aeration and liquid fertilizer adjustment via Bluetooth.

Circuit Diagram

https://www.tinkercad.com/things/fpSljIVI2Si

Serial Commands via USB or Bluetooth

• Software Serial: D10->RxD, D11->TxD
• Newline code: NONE
• BPS: 9600

Command	Description
C	Cycle pump: ON
c	Cycle pump: OFF
I	Input pump: ON
i	Input pump: OFF
A	Air pump: ON
a	Air pump: OFF
m	Measure EC and pH and Temperature
o	Observe Mode: OFF
>n.nn	Observe Mode: If EC > n.nn (e.g. 1.00) Then Input pump ON
<n.nn	Observe Mode: If EC < n.nn (e.g. 0.80) Then Input pump ON

References about EC and pH

• https://hackaday.io/project/7008-fly-wars-a-hackers-solution-to-world-hunger/log/24646-three-dollar-ec-ppm-meter-arduino
• https://www.botshop.co.za/how-to-use-a-ph-probe-and-sensor/
• https://nadegata.info/ec-automation-how-to-make/
• https://jitaku-yasai.com/home-made/ec-meter-selfmade/

Licence

• GNU General Public License v3
  • From refs