A box of PCBs just arrived from Seeed Studio’s Fusion PCB service. This batch includes: Bus Blaster v2.6 with over voltage protection and series resistors on the JTAG pins Dangerous DSO v1.a with a few minor fixes USB POV Toy v1.a with X/Y/Z axis markers, this will be the production PCB (some day) AlteraMAX3000A CPLD […]
Tag Archives: Dangerous DSO
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 […]
Free PCB Sunday: Oscilloscope v1
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 we’re giving away two […]
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 […]