Posted on December 29, 2012 at 01:28I've got a mixed-signal board with an LCD connected through noisy SPI lines. When the display is being updated, the analog readings are all over the place. In addition to improving the layout of the board, I'm als...

Posted on September 01, 2012 at 05:25I'm running some ADC tests on a VLDiscovery board. The values returned for sampling the internal temp sensor and voltage reference seem to move around in surprising ways. Here's some data:> ADC samples: channel 1...

Posted on August 14, 2012 at 21:32I'm porting over some code that I previously ran on Stellaris hardware to an F4Discovery board. I hooked a logic analyzer up to take a peek at what my USART code (with hardware flow control) was doing and found some...

Posted on August 11, 2012 at 09:46About 45 minutes into playing with my new VLDiscovery board, I seem to have bricked it. I downloaded a ''bad'' program onto the thing and now it's telling me that the device is protected and resists all my attempts ...