My Latest ESP32 Hydroponic System uses pH sensor and EC Sensor
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Download: ESP32 pH Sensor Code and Circuit Diagram
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Arduino pH Sensor:
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IoT Water Quality Monitoring with pH sensor and ESP8266 Nodemcu:
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Project Description:
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In today’s episode, which is the 2nd video in this series, I am going to explain how to make IoT pH Sensor using the pH sensor kit from the DiyMore, ESP32 WiFi + Bluetooth module, Oled display module, and Blynk application. The pH sensor kit from the Diymore is a bit different from the one designed by DFrobot which I have also used in some of my previous videos explaining what is a pH sensor, it’s working, Calibration, and how to use a pH sensor to find the pH value of different liquids. I also used the DFrobot pH sensor kit for measuring the water quality using the Arduino board and I also used it in an IoT based water quality monitoring system using the NodeMCU ESP8266 WiFi module.

The Diymore pH sensor kit is cheap as compared to the DFrobot pH sensor kit. I have already explained how to calibrate and use this low-cost pH sensor kit with the Arduino to measure the pH value of different liquids, so I highly recommend first watch my previous video and then you can resume from here, because I will use the same code, but I will do some modifications to make it compatible with the ESP32 WiFi + Bluetooth Module. Anyways, after modifying the code and interfacing the pH Sensor and Oled Display module with the ESP32 Development board, finally I was ready to test the pH Value of different liquids including Water, Acidic solution, and washing powder.


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Amazon Purchase links:
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ESP32 WiFi + Bluetooth Module (My recommendation), more IO pins, improved speed, and supports a Lipo Battery:
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pH Sensors, Select the one as per your requirement
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Oled Display Module
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LM7805 Voltage Regulator:
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470uf capacitor:
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330-ohm resistor:
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DC Female Power Jack:
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Female Headers:
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Male Headers:
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LEDs:
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1n4007 diode:
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10k Resistor:
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2n2222 NPN transistor
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12V SPDT Relay:
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#ESP32pHSensor
#IoTpHSensor
#ESP32Project
ESP32 WITH PH SENSOR
PH SENSOR WITH ESP32
ESP32 PH SENSOR
IOT PH SENSOR
WATER PH MONITORING USING ESP32 CODE AND CIRCUIT DIAGRAM
PH SENSOR AND BLYNK
BLYNK AND PH SENSOR
HOW TO MONITOR PH VALUE USING BLYNK

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