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3D Printed Guitar That Lights Up As You Play

“Several years ago I built a CNC router with the express purpose of creating my own guitar. Unfortunately however, I never got around to it. Two years back I was getting into 3D printing in a big way and started …

Portable Sound Analyzer on ESP32

“Sounds are everywhere and always around us. Whether it is your name spoken by your beloved, a barking dog, music played on television or the horn of a car… Our brain processes sounds through its ability to transform the sound …

A DIY Zipline Robot With Arduino, Lego, and 3D Printed Parts

“Introduction Have you ever thought of robots that are involved in sports and recreation activities? Robots that could mimic the act of athletes like runners and, gymnasts. Such robots are extremely interesting for robotics enthusiasts, makers, and inventors. One of …

Introducing Grove Beginner Kit for Arduino

Today I received the Grove Beginner Kit for Arduino from Seeed Studio. The first impression I had is this Kit is very good! Delivered in a very nicely built box. The experience of opening the Kit is amazing. The box …

Clap-on Switch

“A relative asked me one time if i could create a switch that reacts to clapping your hands. So i’ve orderd some stuff to create a project and decided to make a instructable so everyone could have a awesome …

How to Make Clap ON/OFF Switch || Without Any IC

“This Is A Clap ON Of Switch Without Any IC. You Can Clap First Time Then The Light Bulb ON And Clap Second Time The Light Bulb OFF. This Circuit Based On SR Flip-flop. Components 1. BC547 NPN Transistors (4pcs …

Transistor Microphone Amplifier

“This article shows you how to make a transistor microphone amplifier. The minimum power supply for this circuit is 1.5 V. However, you will need at least 3 V if you are making an optional LED detector (transistor Q3 …

Whistle Controlled Robot

“This robot is completely guided everywhere by whistle, much like the “Golden Sonic Toy” made in 1957. When switched on, the robot moves in the direction indicated by the illuminated arrow on the front drive wheel mechanism. When the whistle …

Rainbow Audio-Reactive Flute

“Hello! In this instructable I will be showing you the process of creating this audio-reactive, rainbow flute (known as a Bansuri). The flute has RGB LEDS inside and will change it’s color based on the note played. Note that …

Arduino FFT Visualizer With Addressable LEDs

“This tutorial will explain how to build an Audio Visualizer with an Arduino Uno and some addressable LEDs. This is a project I’ve been wanting to do for some time now because I’m a sucker for sound reactive …