First, an artsy photo with schematic.The volume control is in the notched-in area. It's a little thumbwheel (trimpot) getup. The red and black wires nearby run to the battery holder underneath with a single AA in it.Here's a better shot of the schematic...I...
(Duplicate of a HAD blog post, placed here for posterity.) Here's some things to try that might help depression. Firstly: there's a direct correlation between poor sleep and depression, but no one knows whether depression causes sleep disturbance or...
I'm searching for a word that adequately describes the blackhole of engineering time, when you spend the whole night looking for a component, comparing the host of "not-quite-perfect" features. Regulators are the perfect example! If it's got a perfect...
I need a fire suppression system for my DIY CNC enclosure. I intend to run long unattended jobs and would like some piece of mind so I need some sort of automatic fail-safe fire suppression system inside the enclosure. There's a few commercial options...
relay server, i just built and setting up 4 servers, going to be also adding on gsm/cdma/web/text terminals that i will then beable too voip the server then through the terminals, have my own cell service, there are more compoents invold. no need to...
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 have a 11×2 ft long led display that I need help figuring out how to program. Any help would be appreciated. I'm a 3rd year electrician with no idea how to play with electronics.
Hi Everyone, I'm new here to hackaday.io and have been a stalker over at hackaday.com for a few years now. The talent, creativity, and genius of the folks who end up on Hackaday is absolutely amazing. I'm here on the Stack because I have some cool hardware...
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...
The 2014 Hackaday Omnibus is our first-ever print edition; 80 full-color pages of long-form original content that is part graphic novel, part hacker history, and part inspiration for your own projects. Here's the pre-order link: http://store.hackaday.com/products/hackaday-omnibus-2014...
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...
Certainly SOMETHING could be done with 5000 22ohm resistors. http://www.goldmine-elec-products.com/prodinfo.asp?number=G20026 The best I've got is a physical implementation of that old Google Challenge: You've a giant matrix of resistors, what's the...