Tech Zaid

Tech Zaid Software Engineer at DynaApple Labs CIED Foundation IUST Awantipora
Specialist in IoT and Ai
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Project: Voltage Sensor with OLED Display using ArduinoThis project demonstrates how to measure and display voltage usin...
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Project: Voltage Sensor with OLED Display using Arduino

This project demonstrates how to measure and display voltage using an Arduino, a voltage sensor (such as a resistive voltage divider), and an OLED display (SSD1306). The measured voltage is displayed on the OLED in real-time.

Components Required:

Arduino (Uno, Mega, or any compatible board)

Voltage Sensor (Resistive Voltage Divider)

0.96" I2C OLED Display (SSD1306)

Connecting Wires

Circuit Connections:

Voltage Sensor:

VCC → Voltage source

GND → Ground

OUT → A0 (Analog pin of Arduino)

OLED Display (SSD1306 - I2C):

VCC → 5V (or 3.3V depending on the module)

GND → GND

SCL → A5 (for Arduino Uno)

SDA → A4 (for Arduino Uno)

---

Arduino Code:

Make sure you install the Adafruit SSD1306 and Adafruit GFX libraries before uploading the code.





SCREEN_WIDTH 128
SCREEN_HEIGHT 64
OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

const int voltageSensorPin = A0;
float vRef = 5.0; // Reference voltage (change if using 3.3V)
float resistorFactor = 5.0; // Divider factor (adjust according to resistor values)

void setup() {
Serial.begin(9600);

if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println(F("SSD1306 allocation failed"));
for (;;);
}

display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE);
display.setCursor(0, 10);
display.println("Voltage Sensor");
display.display();
delay(2000);
}

void loop() {
int sensorValue = analogRead(voltageSensorPin);
float voltage = (sensorValue * vRef / 1023.0) * resistorFactor;

Serial.print("Voltage: ");
Serial.print(voltage);
Serial.println("V");

display.clearDisplay();
display.setTextSize(2);
display.setTextColor(WHITE);
display.setCursor(0, 20);
display.print("V: ");
display.print(voltage);
display.print(" V");
display.display();

delay(1000);
}

---

How It Works:

1. The voltage sensor outputs an analog voltage corresponding to the measured voltage.

2. The Arduino reads the analog value from A0 and converts it into actual voltage using the voltage divider ratio.

3. The calculated voltage is displayed on the OLED screen in real-time.

Best schematic tool for designing and prototyping Who is your favorite one ab bolo Golden Words by Laila Qureshi or this...
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Ten Unknown Facts About

1. Founding and History: BMW, Bayerische Motoren Werke AG, was founded in 1916 in Munich, Germany, initially producing aircraft engines. The company transitioned to motorcycle production in the 1920s and eventually to automobiles in the 1930s.

2. Iconic Logo: The BMW logo, often referred to as the "roundel," consists of a black ring intersecting with four quadrants of blue and white. It represents the company's origins in aviation, with the blue and white symbolizing a spinning propeller against a clear blue sky.

3. Innovation in Technology: BMW is renowned for its innovations in automotive technology. It introduced the world's first electric car, the BMW i3, in 2013, and has been a leader in developing advanced driving assistance systems (ADAS) and hybrid powertrains.

4. Performance and Motorsport Heritage: BMW has a strong heritage in motorsport, particularly in touring car and Formula 1 racing. The brand's M division produces high-performance variants of their regular models, known for their precision engineering and exhilarating driving dynamics.

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6. Luxury and Design: BMW is synonymous with luxury and distinctive design, crafting vehicles that blend elegance with cutting-edge technology and comfort.

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NH44😲😲
Patnitop Kashmir

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30/01/2025
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19/01/2025

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