This was a collaborative effort done about 2 years ago when I was a student at NU. My partners in crime were: Jason Sanghi, Steven Kravik, and Steven Anderson.All are cool guys and during my college years I ended up being in a lot of groups with Steven Kravik (smart Read more…
Are you sick of cheapo portable headphones? Are you sick of paying $200+ for a decent set of portable cans? Do you like Unique Technology? Are you DIY? These headphones use drivers that are Orthodynamic. To sum it up, they are very similar to electrostatic and ribbon drivers in that Read more…
I am willing to bet that most techno nerds who bought an HTC Evo (got mine on launch day!) Rooted and Nand ‘d there phones almost immediately to get full software control. However, I am wondering how many people have done most every mod physically and added their own? This is Read more…
First off, you should know that these were made for getting the best SQ for the smallest amount of money possible. I was a college student at the time and had limited funds, was constantly having people over and did not have the space for my surround sound system in Read more…
This is a super short independent project that I did for my advisor in college over about 2 months (concept to paper and finished project). Mainly, it was meant to prove the viability of using DIY, Open Source devices for using in wireless sensor networks. We needed to prove to the group Read more…
Yay! Amp chips came in for the microamp (µI) and some other work stuff, So I just need to finish up the board files and order the boards! I <3 Part orders. Next amp will be mostly TI stuff and fairly large for “portable” and will be comparable to some Read more…
Hello guys! Well, I have a couple of projects and I would like to make this next one open source! As you may know, in my day job I do a lot of programming and stuff with micro-controllers. Well, I have designed an ultra small portable amplifier with digital volume control. Read more…
So this was basically a Portable FLAC playing mP3 player that had a built in Headphone amplifier. It wasn’t bad sounding at all when used as car audio input or with medium impedance headphones (32ohm-150ohm), but for portable earphones and high end portable headphones it was a nightmare. All kinds Read more…
Hey guys, I though that I might post some of my refined and modified Pete Millett “starting student” headphone amplifier designs. Originally, this was a headphone amp that was supposed to cost about $50-75 before buying an enclosure and have very hi-fi sound for easy build and low cost. I Read more…
Hey guys, Just wanted to send my endorsement for the OSHW principles and definition.OSHW Read and EndorseThis is a VERY valuable sent of guidelines that not only encourage new projects being shared, but also to help those who use open source hardware, much like software, to know what is appropriate and how to Read more…