Learn how to use different methods and protocols to link your microcontroller to sensors and actuators, such as analog and digital IO, serial, wireless, libraries, and tips.

Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...

APC issue 542 (February) is now available, ensuring you never miss another software update.

Arduino GPS Tracker Circuit Diagram The Arduino GPS tracker circuit connects three main components: Arduino UNO R3, NEO-6M GPS module, and SIM800L GSM module. This design uses both hardware and ...

Getting Started 1. Hardware Setup Connect the potentiometer to analog pin A0. Connect push buttons to pins A1, A2, and A3 (internal pull-ups enabled). Connect the LCD (I2C, address 0x27) to the ...

This project controls the speed of a DC fan using a potentiometer and Arduino Uno. The potentiometer sends analog input to the Arduino, which converts it into a PWM signal.