1 Edisto Research and Education Center, Clemson University, Blackville, SC, USA. 2 Department of Agricultural Sciences, Clemson University, Clemson, SC, USA. It is undeniable that wireless ...

Using an Arduino NANO or just about any Arduino you can create a very accurate PH & EC/TDS meter for hydroponic and gardening. Connect your Arduino to your computer, start the Arduino IDE and flash ...

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V-LED This is the VCC pin of the LED. Connect this pin to the 5V pin of the Arduino with a 150Ω Current Limiting Resistor. LED-GND This is the Ground Pin of the LED. Connect this pin to the Ground pin ...