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Image of Measuring the Speed of Sound Using an Ultrasonic Sensor and Oscilloscope
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

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.

Image of How to make Professional Enclosures for your Electronic Projects
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.

Image of Power Distribution Boards: Smart Alternative to Relays
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.

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Thomas Ely

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Giovanni Primerano

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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

Image of Donald Bell Maker Update: Pick-Me-Up
VIDEO
15

Donald Bell Maker Update: Pick-Me-Up

By Maker.io Staff

This week on Maker Update: getting a grip on your laundry, an all-natural disco lamp, an all-seeing Coglet, and tiny servos for a tiny crawler.

Image of Intro to Embedded Rust Part 10: Interrupts
TUTORIAL
13

Intro to Embedded Rust Part 10: Interrupts

By ShawnHymel

In this tutorial, we'll explore how to configure and handle timer interrupts on the Raspberry Pi Pico 2, creating a blinking LED program where the processor spends most of its time sleeping while hardware interrupts handle all the timing.