Beeping Liftmaster 915LM Mod

The Liftmaster 915LM is a wireless garage door monitor that basically blinks an LED whenever it detects an open garage door. I wanted to mod it to give me an audible warning instead of just blinking an LED...

Cheap probe for DSO Nano

DealExtreme 100MHz probe ($6.04 shipped) + SeedStudio BNC adapter ($1.50 + sh) = ~$7.54.

Also made a breadboard-pluggable one. Plug connection: Tip of plug is positive, everything else is negative.

DSO Nano Stand

Here's my DSO Nano stand... You only need a few thousand dollars in debt... ;)



If it's not so obvious, it's a folded-up old credit card (rebate CC actually).

DSO Nano Tour

My DSO Nano...

The Nano is an $89 open-source (hardware & software) portable 1MHz oscilloscope from SeeedStudio.

AVRISP mkII / AVR Studio in Windows 7

Trying to learn a bit more about AVRs, so I got an Atmel AVRISP mkII programmer.



Unfortunately I ran into some problems with the software in Windows 7 x64...

Hello World!

This is one of the first things I tried when I got an Arduino Duemilanove, a simple sketch and circuit that displays the uptime.

A few jumper wires and viola... Arduino makes it easy to play with LCDs even for noobs like me.