Weekend Project: Portable Spy Scope (PDF)
Use a cellphone camera for espionage that captures long-distance secret activities! Thanks go to Eric Rosenthal for the original article in Make: Volume 16 View the PDF
Electronics
The making of a triode
One of our most viewed and discussed postings of ’08 was Claude Paillard’s stunning triode video where he makes a vacuum tube triode from scratch. While poking around the Web, looking for other videos he might have done, I bumped into this documentary about the 2006 European Triode Festival in the Netherlands, celebrating the 100th […]
Solar power for your electronics gear
A panel used by [script] 25C3 is underway and includes excellent presentations. Via hackaday, here’s some coverage of “Solar-powering your Geek Gear:” [script] selected a four segment folding solar panel after some research. he pointed out that solar is currently more of a necessity technology than money saving since the panels can be very expensive. […]
Soldering- where to start?
Certainly there are lots of electronics and kits that have entered Makers’ lives lately. Some people already know how to solder, but many people are just getting started. Amy posted a comment voicing her frustration at learning the seemingly guild like skill of soldering. Below are my notes to Amy, which seemed like it would […]
This kid can solder, can you?
Brad sends this about his son’s gift project: For Christmas this year, Lucas made his grandmom a battery powered amp for her guitar. This was a big project – first time with a soldering iron. Worked out well with only one minor burn. He did 80% of the soldering and drilled all the holes for […]
simple DIY 555 synth
Youtuber sycmuzak posted this demo/explanation of his breadboarded sound circuit – My homemade 555 timer synthesizer. I made it in about 2 hours from 2 555 timers, 4 capacitors, 1 resistor and 3 potentiometers. Schematic can be made available if demand is high enough. This is one of my first 555 timer projects, and I’m […]
MAKE presents: The Resistor
Simple, commonplace and absolutely vital to our electronic world – take a closer look at the current-fighting backbone of circuitry, the resistor! Download the m4v file or subscribe in iTunes The resistor really is a deep and rich topic to explore. There were a number of topics I would’ve liked to cover in this video, […]
