Author Archive:admin


Test Piezo Buzzer

This project will use Arduino to send signal a Piezo Buzzer and make sound.

Step 1 – connect Arduino to Piezo Buzzer as per following graph

Step 2 – Download buzzer.ino sketch file and load it into Arduino, you will her buzzer sound.

Demo Video:


Using photoresistor to detect light

Photoresistor,also called photocell, is a light sensor. Its resistor changes with light.

This project will use photoresistor to detect light and turn on/off an LED light.

Connection Graph:

Download photoresistor.ino sketch and load it into Arduino.