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.

How to build a SMD FM Transmitter

This is a step-by-step guide on making a SMD FM Transmitter

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 artical will cover how to make a Joule Thief and how it operates

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 articale will cover the use of an Asynchronous Flip Flop Counter that gives an output in BCD (Binary Coded Decimal)

Skill Level: Beginner

How to make a 7 Segment Display

This artical will cover the use of a 7 segment display in conjunction with a driver IC

Skill Level: Beginner

How To Make a Vibration Sensor

The circuit detexts sharp "knocks" or "high frequency" oscillations and converts the sensors minute voltage level into something more useful

Skill Level: Easy

How To Relays

Engineering notes on: LEDs series and parallel, Open collector outputs and How to Connect a load to a relay output