I have built a circuit that doesn't work. (This is not unusual for me.) The circuit uses relays to count pulses from an old rotary phone dial... or is supposed to. I'm using a combination of the following circuits from http://www.electronixandmore.com/projects/relaycomputertwo/index.html (their...
Apparently, one of my neighbours has "revalved" his amp.I'm surrounded by musicians so apparently, one of them has changed all the chinese tubes with slovak ones. He conveniently left the original tubes in the common space. I end up with (equivalents...
Do y'all have experience with these...?We're talking the sort of chip where you can, say, send a configuration via I2C/SPI and the chip will generate an output-clock anywhere from 1MHz to 200MHz...I tried looking for something at the #Common Parts Library,...
Liveboot is still useful, small utilities can liveboot and run wonderfully as a system to learn on, sandbox small projects on, or even to install from or repair systems with. We've even got some hacks for persistence, where your settings stay the...
I hope this is the right place to post this. I'm building an 8x8x8 single color LED cube. I've built test circuits on a breadboard and it works. However, I'm disappointed that the LEDs are much dimmer than when they're not multiplexed. It makes sense...
I am sure that anyone with experience my have several questions as to why I have done some of the things that I have done in my board designs, and the answer to that is simply because I am making it up as I go along. Those details will hopefully work...
A member asked about which of the Tesla inventions I wanted to work on as a team build? Pick any of his projects, one person mentioned "the death ray" I was gearing toward his motorized boat. Once we have enough suggestions we can due a vote. (1. Build...
Hello All, I maintain a blog about the polywell. For those who do not know, the Polywell is an idea for a fusion reactor. It is based off the fusor (a concept some of you guys are building and talking about on the project page). I have some fusion/polywell...
Hello! I have read HAD for years. I love the projects and creativity of the people around the world. I rarely mess with anything electronic at any sort of micro level. I hope this is OK to post here. The other day, a friend of a friend asked me to look...
Thinking: paying tribute to one of the greatest TV characters of all-time (Spock) with a custom 1 of 2 builds: a communication tri-quarter and a hand phaser, any comments or suggestions are welcome.. In memory of the legendary actor Lenard Nimoy, who...