In this project we are going to design an 8x8 LED matrix display, for that we are going to interface an 8x8 LED matrix module with Arduino Uno. An 8x8 LED matrix contains 64 LEDs which are arranged in ...

What You’ll Need: Arduino Uno (or any compatible board) Joystick module LED (any color) Resistor (220 ohms for the LED) Buzzer Breadboard Jumper wires Circuit Diagram: Joystick: VRx to Analog Pin A0 ...

This simple fire alarm circuit uses a smoke sensor, a piezo buzzer for audible alerts, and an LED for visual signaling. When the smoke sensor detects the presence of smoke or gases, it sends a signal ...

Circuit Diagram and Working Explanation . Here we are going to write a program to blink an LED for every 500ms. In arduino uno, a LED will be already designed at the pin13, but we are not going to use ...

Circuit Connection. The circuit diagram of the gadget is shown in Fig. 1, ... The red LED (built into Arduino Uno) and buzzer are used to alert violations of the 2-meter social distancing norm. At the ...