Comments

• Update: My dongle works fine now. It does seem like a driver issue. I installed the FTDI driver (2.12.18) from http://www.ftdichip.com/Drivers/VCP.htm on a different system running Windows 7, after which it is now recognized on both Windows 7 …

  in Dongle is no longer recognized in GUI or Device Manager Comment by indra July 2016
• Thank you William. I'll send an email. 

  in Dongle is no longer recognized in GUI or Device Manager Comment by indra July 2016
• I did a continuity test between AVSS and AGND. There is no continuity between AVSS and AGND.

  in Board not turning on -> polarity protection diode failed Comment by indra January 2016
• @biomurph I think the problem might be with U3. The pins seem fine, but the chip gets heated up when the board is powered on.

  in Board not turning on -> polarity protection diode failed Comment by indra January 2016
• Hi, I checked the voltages again. I'm not getting -2.5V between AGND and AVSS .  I'm getting 0.5V between AGND and AVSS,  +2.5 between AGND and AVDD  3.3V between AGND and DVDD   

  in Board not turning on -> polarity protection diode failed Comment by indra January 2016
• Hi, I have an 8-bit board which stopped working recently.I don't get any data streaming in, but an empty .txt file gets created. I tried measuring the voltages between the pins as mentioned above. I'm getting 3.3V between GND-DVDD and 2.5V betwee…

  in Board not turning on -> polarity protection diode failed Comment by indra January 2016