Maker Faire 2011: Hands-on DIY festival

The internet situation pre-Maker Faire Bay Area has been pretty bad. Worse than bad. Today we’re in the conference hotel though, and there’s wired and wireless internet aplenty. If you’re going to Maker Faire please stop by the Seeed Studio booth and say hi, we’re right next to the central Maker stage in the main […]

Week in (p)review: May 13, 2011

Facebook free PCB Friday is on the way. Don’t forget to share your current project in the comments or the forum. This week we threw out our regularly scheduled programming to bring you a five-part series on a prototype open source oscilloscope: Part 1: There’s so much between 0 and 1 Part 2: Feed and […]

Dangerous DSO part 5: Testing and conclusions

It’s the last day of our week-long Dangerous DSO adventure. Yesterday we simulated the analog front-end and found a few changes to test. First, we’re going to increase the ADC buffer gain to 2. That should make vertical offset adjustment easier. Second, we’re going to try a more refined input range divider with a 900K […]