There are plenty of LCD options around 3" with resistive touch available, under $10. Is there anything low cost with capacitive touch? All I can find is relatively large and expensive ones, having to spend $50 or more. Anyone know of something in...
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...
I have a CalComp Techjet5500 available for someone who can put it to good use.This is a hacker special, since I got it because it wasn't working properly. As I recall the problem is that one of the optical paper feed position switches failed, causing...
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,...
Can someone point me to a decent introduction to home automation options?I've just bought a house. I'd like to set up some home automation, mostly heating and lighting, but even as a professional control systems engineer I'm finding the landscape...
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...