Category: Connection

Weekend Project: IR and RGB leds

Welcome to this first weekend project! To do this, you will need An Arduino (all models should be usable) Some LED’s Resistors for the LED’s IR...

Cool stepper drivers

After seeing quite a few stepper drivers die, I decided to put some cooling on mine, but instead of having the fan running all the...

Home Automation – The garage

Some time ago, I posted something about a home automation project (click here to read more about how to build this) I was working on,...

Breadboard DC connector

After multiple times having problems connecting external DC power supplies, I started to solder the connectors onto pin headers in different ways. The most stable solution so...

4×4 Matrix Keyboard Keypad

A while ago i purchased a 4×4 keypad on ebay, and actually forgot everything about it. But today it arrived!!! 🙂 After 30 secs on...

RFM12B 434MHz Radio

I just received a JeeNode with one of these radio’s on board, and then a loose radio to connect with one of my arduino’s. Here...

Snail mail notifier project

Initial thoughts Got a new mailbox, and I got the choice of putting a switch on the lid or something longer in. My previous one had a...

2 minute Optocoupler

Not much to say about it, all it actually is is a LED and a photo resistor inside a tube of heat shrink tubing....

Snail-mail Notifier

After getting all my Prowl stuff to work, I decided to hack into my mailbox notifier. I found a project from make where Matt uses...