Laser Piano DIY

Laser Piano DIY

“I created a Laser piano using LDR and laser light diode. I used Arduino Leonardo Pro Micro connected to a speaker to generate sound. You can modify the tune of the piano by tweaking in the code and changing the frequency. I wanted to create something cool which can produce music and I ended up making this.”

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$5 USB MIDI adapter with ATmega32u4

$5 USB MIDI adapter with ATmega32u4

“This article will detail how to build a USB MIDI adapter (one-directional: you connect the adapter with USB cable to your computer, and it receives notes and pedal data from your keyboard’s MIDI OUT and transmits them to your computer) with ATmega32u4, 6N137 optocoupler, a few resistors and spare MIDI connector or cable. Read on for details!”

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Mini balancing robot

Mini balancing robot

“This is my version of a small self-balancing robot. A have tried to keep the design as simple and cheap as possible, without compromising performance. The robot uses two NEMA14 stepper motors and the electronics consists of a single Arduino Pro Micro and a MPU-6050 gyro/accelerometer breakout board. Two A4988 stepper drivers are used to drive the motors …

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Potentiometer Feedback Control: Implementing a Soft Extend Limit

Potentiometer Feedback Control: Implementing a Soft Extend Limit

“In this Instructable we will be debriefing the method of setting a soft extension limit for actuators with potentiometer feedback. After completing this tutorial you will be able to successfully control the fully extended position of a linear actuator. All programming will be completed in the Arduino IDE. For this tutorial we will be using the following components: 1 x …

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IOT Speech Recognition

IOT Speech Recognition

“IOT Speech Recognition, control a servo, led lamp or any device connected to the WiFi, using Android App. By Vicente Arturo Zavala Ortiz. The Internet of Things (IOT) is a new emerging technology these days, a self configurable and adaptive system consisting of networks of sensors and other object including intelligent objects whose purpose is to interconnect with all things …

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O.S.E.S.(Open-Source Entertainment System); Utilizing Arduino

O.S.E.S.(Open-Source Entertainment System); Utilizing Arduino

“In response to the increased prices of modern portable gaming systems, hindering them extremely unconventional and inaccessible, O.S.E.S. was created. O.S.E.S. is an affordable, open-source and ergonomic entertainment system alternative. This project is very easy to assemble yourself because all component and parts are easy to find and cheap on Digikey, eBay, Amazon, Alibaba …

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Arduino Micro USB IR Remote Adapter Board

Arduino Micro USB IR Remote Adapter Board

“I was shopping on the Adafruit site for a ATmega32u4 based Arduino board and found the page for the Arduino Micro. From what I read, the Micro is the result of a joint development between Adafruit and the people at Arduino.cc. A couple of quick mouse clicks (and three business days later) I had my new Arduino Micro USB …

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