How to Access Old Tax Returns

Accessing old tax returns may be necessary if you need to look up specific information about your income or your expenses. You can also use old tax returns as proof of your financial history for a mortgage or loan application. As a taxpayer, you are able to access a transcript or an official copy of(…)


Open Source Machine Access System

Every makerspace/hackerspace around the world has its own issues to deal with involving use of the machines Insurance policies, waivers, and various forms can only work so well, so this is more tuned to makerspaces that need an extra layer of security, specifically makerspaces located in schools and…By: bigts076 Continue Reading » Instructables: exploring –(…)


Keypad Access 4×4 With Arduino

The 4×4 keypad is a composite of 16 keys arranged like a matrix. The method used for accessing 4×4 keypad with matrix scanning method. The 4×4 keypad requires 8 pins to access it, ie 4 pins for the columns and 4 pins for the line. How the scanning method works is that the column pin(…)