The Arduino Uno is a microcontroller board based on the ATmega328. It has 20 digital input/output pins (of which 6 can be used ... I2C Module has a inbuilt PCF8574 I2C chip that converts I2C serial ...

Each of the 14 digital pins on the Arduino Uno can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead ... In addition, some pins have specialized functions: Serial: pins 0 ...

So in this project, we are going to use an Arduino Uno to make a simple calculator. We will integrate a 4×4 Keypad to send the input and a 16×2 LCD to see ... void setup() { Serial.begin(9600); ...

In order to solve this problem, in this project, we are making an Automatic Irrigation System with an Arduino Uno ... and use a suitable relay. The working will remain the same as shown in this ...

The concept of automation is getting popularity among people these days and many of them control their lighting, climate, etc remotely at their homes. Several microcontrollers or microprocessors can ...

If you're on the hunt for the perfect board, then you've probably come across the Uno and Nano. They're two of the most frequently used Arduino ... can also use its 5V pin as an input.