DIY Projects - Guides
This page has a few DIY Project Guides that are fun to try at home

How To Make an Arduino Powered Garage Door Opener
This article will walk you through using an Arduino to make your own combination garage door opener
Download Sketch here

How to build a random message playback
This is a step-by-step guide on making a random message playback using USB5M
Download Sketch here
Skill Level: Intermediate

How To Make an Arduino Combination Door Lock
This article will walk you through using an Arduino to make your own combination door lock
Download Sketch here

Make a motion-activated message playback module.
Make a motion-activated switch that could play a message when someone walks past.

Make a speaker box from recycled DVD/CD cases
Easy guide to make your speaker pack a little more punch.

How to build an SMD FM Transmitter
This is a step-by-step guide on making
Skill Level: Intermediate

Servo Controllers
A detailed PDF on how to make a servo controller and how it operates

How to use LEDs
View this cool how to chart on using LEDs with circuits

How To Make a Joule Thief
This
Skill Level: Beginner

How To Make a PCB
This article will cover how to make a printed circuit board (PCB)
Skill Level: Beginner

Using the LM358 Op-Amp
This article will cover the use of the LM358 Op Amp in a few example circuits
Skill Level: Intermediate

How To Make a Flip Flop BCD Counter
This
Skill Level: Beginner

How to make a 7 Segment Display
This
Skill Level: Beginner

How To Make a Vibration Sensor
The circuit
Skill Level: Easy

How To Relays
Engineering notes

Resistor Color Code Sheet
Calculate Resistor Values