9 Volt alkaline battery Projects

Simple UV Counterfeit-Money Detector

This simple project uses ultraviolet light to detect counterfeit $5, $10, $20, $50 and $100 US bills.

Posted by Tom Fox

Labyrinth Video Game

This guide will teach you how to build and program your own accelerometer controlled maze game. It does assume a basic knowledge of soldering, breadboards, and programming in Arduino. by...

Posted by Baxter Eldridge

Categories: Arduino, Computers & Mobile | No Comments

Railroad Grade Crossing Signal Controller

This project guide explains how to build an operating railroad grade crossing signal controller (GCSC) for controlling a simulated railroad crossing signal that has working flashing lamps and striking bell....

Posted by Kevin Fodor

Categories: Electronics, Kids & Family | No Comments

Cheap Soldering Fan

This fume extractor is based on the mini fume extractor that was made by Marc de Vinck. This is basically a fume extractor mounted onto a third-hand tool. In other...

Posted by William Anderson

Categories: Computers & Mobile, Electronics | No Comments

Small Amp

This was one of the first circuits that got me into making. It’s very simple and can be used to amplify audio output (mp3 player, computer, etc.) as well as...

Posted by Alek

Categories: Music | 4 Comments

One-Hour CoasterBot

Last year we ran a cool CoasterBot build project and contest on MAKE. We had dozens of awesome entries, from the most basic to the quite elaborate. This Make: Project...

Posted by Matt Mets

Categories: Robotics | No Comments

Dish-O-Tron 6000

I’m absentminded in general, but especially when it comes to the dishwasher. I can never remember whether the dishes are clean, whether the machine needs to be run, or emptied,...

Posted by Quinn Dunki

Categories: Computers & Mobile, Electronics | 1 Comment

Get Started with Arduino Clones

Here you will learn how to wire the Arduino clone up and how to start your first project. In this tutorial, I am working with a breadboardable ATMega Lite Dev...

Posted by Chandler

Categories: Arduino, Electronics | No Comments