The setup() function is called once at the beginning to set the LED pin as an output. The loop() function contains the main logic and is executed repeatedly. Usage: Connect the positive leg (longer ...

This project demonstrates how to connect and control an external LED using an Arduino Uno. It’s a simple and fundamental project that introduces the basics of digital output. In this project, an ...

Arduino is a very popular open-source platform and Arduino UNO is one of the most loved microcontrollers among electronics hobbyists worldwide. It consists of a physical programmable circuit board and ...

Arduino Camping LED Light. February 12, 2014 by T.K. Hareendran ... Schematic of the Arduino Camping Lights Circuit. Light Dimming Levels. Advertisement. ... dim, medium, and high brightness * Test ...

Our Smart Home Using Arduino Uno R4 WiFi project is designed for home safety and convenience, integrating temperature, humidity, light, and gas monitoring. Using sensors like DHT11/DHT22, LDR, and ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...