HOW TO – Remove a stripped screw or bolt
Joe writes – “Need to remove a stripped screw or bolt? This is one of the many ways to do it, only requires a dremel.” – Link.
DIY Projects
HOW TO – Manufacture your own PCBs
Refik writes – “This is a little description and a how to make your own professional PCB (printed circuit boards) cheaply. It will help the newbie to get started and a professional to make his own embedded devices. The costs of this PCB were 20$, what’s cheap for a pro PCB.” – Link. Related: Eagle […]
HOW TO – Customizable audio amplifier muting circuit
Design News Gadget Freak has a new how to on making an audio amplifier muting circuit – “Ever turned on your car stereo and BOOM! the woofers unexpectedly jumped out for one filling-loosening bass note? Just great, you’ve just been diagnosed with turn-on thump — either due to an amp that never had a muting […]
HOW TO – Make a laser incidence meter
Petercd has an Instructable on using a 1mW laser pointer as a laser incidence meter – (used for testing the trueness of an aircraft wing). Link.
DIY Electronic drums
LOGIZTIX’s instructions for building your own electronic drums – “Building your own electronic drum pads may seem like a difficult task. The concepts behind electronic triggering are actually quite simple. A piezo acts much like a microphone. It picks up shock waves and passes them to your drum module to interpret. The trick is getting […]
HOW TO – Build your own gateway firewall
Johntron writes – “Learn how to build your own gateway firewall using FreeBSD and old PC parts. The firewall will consist of the PF firewall, Snort IDS, various IPS applications, Squid proxy, and some intuitive web interfaces for auditing. The cost of this project should be between free and $200 depending on your resourcefulness. I […]
Make your Astrocam CCD for under $100
Ulrich writes – “Unfortunately, even entry-level CCD cameras that are actually built for astro imaging are beyond the reach of many amateurs. I faced the same problem. A QuickCam, however, costs approximately $70 if bought in a store, much less if you are buying a used camera at a flea market or through online auction […]