Alarm

Physical Components

LCD Screen

Jumper Wire

Buzzer

Coding

digitalWrite

pinMode

lcd.

setCursor

print

clear

begin

int

float

void setup

void loop

Goal

Resistor

To create a circuit with jumper wires, an LED, a potentiometer, an LCD screen, a resistor, a buzzer and some buttons. You will be able to adjust the time on the LCD screen with the buttons and press one to set it off. When it is done the buzzer will sound and the LED will blink

potentiometer

Button

Possible Uses

This can be used as an alarm that is adjustable and makes alerts you through a buzzer and an LED

An alarm for the mourning

An oven alarm