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BLOG

Measuring the Speed of Sound Using an Ultrasonic Sensor and Oscilloscope

By Shruti Garg

In this blog, I will walk through a simple experiment that uses an ultrasonic sensor and oscilloscope to measure how fast sound travels through the air.

PROJECT

L293D Motor Driver Shield and Arduino

By Rachana Jain

In this guide, we will first understand how the L293D shield works and then implement a practical servo motor control setup using Arduino UNO.

PROJECT

Make a Phone Call Using the SIM900 GSM Shield & Arduino - Visuino Tutori

By Ron Cutts

Step-by-step guide to set up a SIM900 GSM shield on an Arduino, program it in Visuino, and use two pushbuttons to initiate and terminate phone calls.

PROJECT

How to Use PCF8574 GPIO Extender With Arduino or ESP32

By Ron Cutts

How to Use PCF8574 GPIO Extender With Arduino or ESP32: If you require more pins for your project to connect more buttons, sensors or LEDs, GPIO expanders can h

PROJECT
23

Color Sensing Music Player

By Adafruit Industries

Make colored bricks play music.

TUTORIAL

How to make Professional Enclosures for your Electronic Projects

By Mirko Pavleski

Very often, I receive a request from my viewers to explain the method of making the cases for my electronic projects. First of all, let me tell you that the cases are not made with 3D Printing, but from a special PVC material.

BLOG

Power Distribution Boards: Smart Alternative to Relays

By Antonio Velasco

This blog will talk about the core concepts and the theory behind the circuit schematic and how it was approached.

PROJECT

Arduino New Year's Eve Fireworks

By Ron Cutts

Arduino New Year's Eve Fireworks: Make a New Year's Eve Fireworks using Arduino and the ST7735 lcd.Watch the Video! Project file can be downloaded below.

Thomas Ely

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MAKER

Giovanni Primerano

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MAKER
PROJECT
22

NeoPixel Light Slate

By Adafruit Industries

Color your world and make it glow.

PROJECT
20

Arduino LASER Brightness Pulse Width Modulation PWM

By Ron Cutts

Arduino LASER Brightness Pulse Width Modulation PWM: In this tutorial we will use a LASER Module connected to Arduino UNO and Visuino to make it change it's bri