SEG market is the best known electronic part market in Hua Qiang Bei neighborhood. It’s two giant floors of component and tool stands. The upper floors are full of computer parts and consumer electronics, also very cool, but we’re here for the electronics. This is an overview of the second floor of SEG Market. It’s […]
Author Archives: DP
Bus Blaster free PCB built
Muralidhar Shenoy blogged about his free Bus Blaster v3 PCB build, a high-speed JTAG debugger for ARM processors, FPGAs, CPLDs, flash, and more. Version 3 is a small update to v2/v2.5 with symmetrical connector placement to make it fit a case. If you build a free PCB we’ll send you another one! Blog about it, post […]
DIY tube-mosfet hybrid headphone amplifier
Diyaudioprojects feature a DIY tube-mosfet hybrid headphone amplifier. It uses 12AU7 tubes and the IRF510 mosfet. The schematics, and pcb files are available on their site. The circuit consists of two stages: 1. a common cathode tube volt amp stage (gain), 2. a MOSFET source follower for current gain (with a LM317 regulator used as […]
LVL1 Boneyard Hackathon 2012
LVL1 Louisville Hackerspace is organizing a boneyard hackathon this June. Basically you, and your team get an Arduino, a breadboard, and you have 24 hours to build something from the junk-box parts that are there. The entry fee is $30 per team, and the best 3 teams get trophies and a years worth of bragging […]
GIVEAWAY: 4x FLUKES tweezers
Today we giveaway four FLUKES tweezers that we bought in Shenzhen. Leave a comment below, and we’ll pick 4 winners tomorrow.
VIDEO #17: Seeed Studio open source hardware manufacturing tour in Shenzhen, China 2012
We toured the offices and factory where Seeed Studio makes open source hardware in Shenzhen, China. All our open source projects are manufactured and shipped from here. Be sure to check out our visit to the Shenhzen Maker Faire, as well as our Global Geek Tour wiki.
Maker Faire Shenzhen China: Conclusion
China’s first Maker Faire was a huge success. The building was full from open to close, and the maker after party stretched late into the night. The projects were amazing, and the people were fantastic. We met a ton of amazing makers, including one developer who had spent a couple years building backend tools for […]
Maker Faire Shenzhen China: Dangerous Prototypes FAQ presentation
There were six featured speakers at Maker Faire Shenzhen covering all aspects of engineering and hardware manufacturing. We did an FAQ about Dangerous Prototypes, what we do, and why we like open source. Download the presentation here. What we do How we started Why open source? Why open development? Why free PCBs? Why fulfillment? Lessons […]
Maker Faire Shenzhen China: Machines!
ChaiHuo, Shenzhen’s hackerspace, shows off their Egg-Bot build at Maker Faire. More amazing machines below.
Maker Faire Shenzhen China: Toys!
Animatronic Android is a walking robotic mascot from the popular operating system. Check out the other toys we spotted at Maker Faire Shenzhen below the break.
GIVEAWAY: 4 boxes of roisn flux
Today we giveaway four boxes of rosin flux that we bought in Shenzhen. This is the stuff you need to make your own DIY flux. Just crush the rosin and mix with IPA. Forum members report that it’s good flux, and doesn’t smell as bad as some brand name fluxes. Leave a comment below, and […]
Maker Faire Shenzhen China: Robots!
Maker Faire Shenzhen was inhabited by lot of strange and wonderful non-humans. Here’s a selection of our favorites. This walking baby-bot is controlled by the elaborate headgear worn by the operator. More photos below the fold.
#FreePCB via Twitter to 2 random RTs
Every Tuesday we give away two coupons for the free PCB drawer via Twitter. This post was announced on Twitter, and in 24 hours we’ll send coupon codes to two random retweeters. Don’t forget there’s free PCBs three times a every week: Hate Twitter and Facebook? Free PCB Sunday is the classic PCB giveaway. Catch […]
2011 US tax deadline is today
The US tax deadline is today, who ever hasn’t filed their taxes yet, better do it quickly. You can also check out how we do taxes for Dangerous Prototypes.
Maker Faire Shenzhen China: Around the Faire
Here’s a sample of the buzz and activities from around Maker Faire Shenzhen. Mitch Altman, inventor of the TV-B-Gone and hacker space evangelist, was there. He’s on an extended tour of China with a group of hackers and open source makers. You know it’s a real Maker Faire when Mitch Altman arrives. More photos below […]
Maker Faire Shenzhen China: Dangerous Prototypes booth
Seeed was kind enough to make us a banner. Lots of makers have these in the US, but we never think far enough ahead to get it done. Look for it in California and New York this summer. More photos below the fold.
Maker Faire Shenzhen China: Setup
During Maker Faire setup we snapped these behind the scenes pics. About 70 people hung banners, setup tables, and prepared IdeaLand for the faire. More photos below the fold.
GIVEAVAY: 2 Hakko tips and 1 heavy-duty solder paste
Lets take a break from the geek tour and give away two more Hakko 900M-T-3C soldering iron tips, and one can of heavy duty solder paste. This paste is too acidic and corrosive for PCB use. It’s intended for heavy duty soldering, like joining or repairing copper pipes. We’ll give these away to 3 random […]
GIVEAWAY: 2 Hakko 900M-T-3C bevel tips
We’re giving away two Hakko 900M-T-3C bevel tips that we picked up from the Pak Lik store at Apliu Street, Hong Kong. These tips are great for drag soldering, although not as good as the elusive 3CM mini-wave tips. Leave a comment below, and we’ll pick two random winners tomorrow.
Free PCB Sunday: Pick your PCB
We go through a lot of prototype PCBs, and end up with lots of extras that we’ll never use. Every Sunday we give away a few PCBs from one of our past or future projects, or a related prototype. Our PCBs are made through Seeed Studio’s Fusion board service. This week two random commenters will […]