The DigiX > DigiX Support

DigiX SMOKE! (thread should have been here)

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exeng:
Here is a link to the prior posts on this topic. Should have been posting here from the beginning. :-[

http://digistump.com/board/index.php/topic,2546.msg12201.html#msg12201

exeng:
Pete, RE: Your big project comment...
http://digistump.com/board/index.php/topic,2546.msg12206.html#msg12206

I'm planning to use the DigiX to drive a WAV Trigger to provide a voice to a "kiosky" Robot (stationary). I had been working on voicing, motion detects, button inputs, etc., when I decided it was time to bring up Wifi on DigiX so it could retrieve my Thingspeak info from all my Oaks. You know, pool temp, weather, garage door status and speak it to me. I already have the DigiX robot playing fun startup sounds and even presenting a trivia game, (10 questions with 3 possible answers, with scoring and appropiate responnses). It was all going quite well until the Wifi issue popped up and while trying to figure out why it was not working, I got smoked (I should say it).

Long term plan is to add more sensors (e.g. touch, distance) and displays (RGB, LCD or perhaps TFT). All on hold now waiting for DigiX part. This is why I need so many GPIO's.
Plus I want to put this stuff to use.

EDIT: And yes, I had thought about using other micro as slave devices to asynchronously drive displays, servos, motors, etc. Just haven't figured out how to wire communicate with them (CAN bus?).

PeterF:
lol... now I regret mentioning the cross-forum posting!  :-X

Anyway, that sounds really cool!  :D A pair of these 'lil puppies arrived a few days ago, and I still need to actually wire them up and see how hard they are to drive, but it sounds like we're doing some of the same stuff in that area. I got hooked by talking Arduino stuff once I saw a Red Dwarf Tawlkie Toaster project that someone else had done, and then saw some mention of these cheapie DFPlay modules on the Particle forums shortly afterwards!

You see, your problem was you wanted too much...  ;D and the DigiX said NO ;-P As you say, it was probably a connection surge that made it blow it's top  :'( One of the reason I much prefer the switching regulator stuff that has a soft start functionality... to basically prevent this problem. Seem to see it more in commercial stuff than the module stuff for DIY though.

Solice:
PeterF,

Thanks for the link to those cheap DFPlayers.  I just bought 10, because at that price, I can make throw-away widgets to send to people.  That listing doesn't even come up when I search for DFPlayer.  Thanks!

exeng:
UPDATE: Well the AOZ1021 buck converter part arrived today and I was very excited to get it down and back to testing. Got it soldered down just fine and it doing it's job based on probing it's in / out pins. However, the SMOKE event apparently also took out the 5V to 3.3V regulator (NCP1117ST33T3G -3V3) without leaving a mark. I've got 5V but no 3.3V and consequently no power to the 3.3V components on the board. So here I sit waiting again for parts. Hopefully that will be the end of the down stream damage.

Gee, I wonder if I have a 3.3V regulator in my parts bin, that's close enough in specs?

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