Illinois Sales Tax Calculator for android

This app allows you to calculate or estimate what the total cost would be when shopping. The app is not on Google Play. You will have to unzip the apk file to your phone or tablet. It saves the prices as you type them, so no need to worry about losing them when your phone …

DIY Music controlled pumpkin

Here’s a simple and easy Halloween project. It is based off of a single ended transistor audio amplifier. The transistor amplifies the audio voltage to one that can light up an LED. The volume should be turned up all the way to get best performance. Since audio singles are hardly any strong. If you want …