Components Needed Arduino board HC-SR04 Ultrasonic Sensor 8 LEDs 8 Resistors (220Ω each) Buzzer Breadboard and jumper wires Circuit Diagram Ultrasonic Sensor: VCC to 5V GND to GND TRIG to digital pin ...

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 ...

Tiny RTC DS1307 module White LED strip, 5 m Hardware Setup The hardware setup is pretty straightforward. The Arduino Uno is powered by an external DC supply (12 V) through its DC input socket and 5-V ...

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any difficulty. Arduino is a family of ...

On the outside, it’s extremely simple: a switch labeled ‘on’ and ‘off’, and a hole for an LED. Turn the switch on, and the Annoying Machine will emit an annoying buzzing sound.