Logic Sniffer case designs: yaobls case update

Yet another Logic Sniffer case: I’m interested in releasing some open source board designs under the Creative Commons license. Some of these board designs would benefit from having a small case, so I’ve been looking into various options for getting custom cases built. One of the approaches I investigated was using the Shapeways online SLS […]

Universal Serial Bus general-purpose device controller

rsdio writes:  Depending upon the quality of open-source 8051 compiler tools, this might be a good chip (one of many like the EzUSB) for open hardware development without being stuck with Microchip’s partially open tool chain. The TUSB3210 is a USB-based controller targeted as a general-purpose MCU with GPIO. The TUSB3210 has 8K × 8 […]

World Maker Faire New York 2011 setup preview

The night before Maker Faire is for setup and schmoozing with other makers. We took our hidden camera to bring you these preview pictures. Big sponsor this year: Radio Shack with their new DIY/Maker push. Surprise sponsor this year: our preferred distributor Mouser seems to be getting into the DIY game. PS: back scratchers are […]

Free PCB coupon via Facebook to 2 random commenters

Every Friday we give away some extra PCBs via Facebook. This post was announced on Facebook, and on Monday we’ll send coupon codes to two random commenters. More PCBs via Twitter on Tuesday and the blog every Sunday. Don’t forget there’s free PCBs three times a every week: Free PCB Sunday. The classic. Every week, […]

Week in (p)review: September 16, 2011

Facebook free PCB Friday is on the way. Don’t forget to share your current project in the comments or the forum. Here’s a summary of major developments over the last week: Open Hardware Summit presentation Limited support during Open Hardware Summit and Maker Faire Entries in the Open 7400 Logic competition: Telephone Intercom from TTL,2 […]

7400 competition entry: Telephone Intercom from TTL

Here’s an entry in the Open 7400 Logic competition: Telephone Intercom from TTL This is the only craziest project I ever made, beginning in June 2007 and completed in November 2007. Very complex circuits, and uses a lot of IC (about 38 IC). If you think this is a waste, yes! Indeed. However, why do […]