LED Blinking: We use an LED (Light Emitting Diode), which is connected to the Arduino via a resistor. The resistor limits the current that flows through the LED to prevent it from burning by too much ...

Discover the ultimate IoT powerhouse—Arduino Nano ESP32! Unleash creativity with C/C++ in Arduino IDE, or embrace MicroPython's simplicity. Wi-Fi, Bluetooth 5 LE, 16 MB Flash, LEDs, all in a compact ...

This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...

Abstract: A novel Internet of Things (IoT) -enabled system is presented to improve the usability and accessibility of audio playback for those with visual impairments. To enable a simple and ...