DIY Projects

DIY Telescopes

DIY Telescopes

These are some of the nicest DIY telescopes I have ever seen. You have to take a look through the site to see the level of detail and amazing craftsmanship that goes into each piece. Dave’s machining skills are really amazing. He even created a machine to polish his own mirrors. – Link Related: DIY […]

Simple TTL to RS232 adapter

Simple TTL to RS232 adapter

I know, why not use USB? Well, a lot of time you could, but many people still use RS232 connections for for programming micro-controllers. Recently I needed a simple adapter to program and AVR, and this is what I found. – Link You could always buy a USB – TTL cable in the MAKE store […]

Voltmeter + Ammeter LCD panel

Voltmeter + Ammeter LCD panel

This is a very well documented build, and could be a great addition to any workbench. Apparently the builder added the meter to a 0-30 VDC stabilized power supply, pictured above, to charge batteries. All the schematics, PCB layouts and .hex files are available on the site. This multimeter was designed to measure output voltage […]

Simple night-light timer

Simple night-light timer

What do you do about a night-light that has to stay on while your child falls asleep, and you don’t want to have to go in and turn it off every night? Buy a timer? No, that’s not fun. The solution: teach her something! So we repurposed an old broken desk lamp carcass, I taught […]

Portal projects

Portal projects

People love Portal! (FYI: Portal = popular video game from Valve software.) Exhibit A: Recreation of the PC cases found in the game Nick writes – You’ve got a stock PC, but don’t have enough cash to build a new one. Well…Mod it! After seeing me play a little of portal, my wife liked the […]