Seeed Studio Forum

I'm trying to use a 64MB micro-SD card in my DSO Nano, but I'm not having any luck. As a baseline, the card works fine in my USB SD card reader, MP3 player, and digital camera. I've formatted the card as FAT16 and created the FILExxx.DAT files (using the archive posted). When I insert the card in th...

I've attached 1V/div and 2V/div images. My DSO Nano doesn't appear to work with my 64MB uSD card, so these are digital camera pictures...

The measured signal is the "test signal" available on the corner-pin @ 1000 Hz

I've run into a bug, where the DSO Nano displays (part of) the correct signal, but at an inflated voltage on the display (and with the "V avg" measure). [*]Test signal on 1V/div is 2.0v avg and displays correctly. Test signal on 2V/div is off the screen and 25.92V avg displayed. ??? [*]Measuring my ...