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HELP! zZzzT! I fried something!   Message List  
Reply | Forward Message #545 of 632 |
Re: [lsdjmc2] Re: HELP! zZzzT! IT'S ALIVE!!!!

On 05/07/2008, kingconga42 <justin@...> wrote:
> That's exactly it, i was bypassing the regulator.
I missed your other mail when you changed the subject line. (:

/Ove

-----BEGIN 2ROT13 MESSAGE-----
Low Bitrate Netlabel: <http://flb.gg8.se/>
Blog:
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SKRIVA på Lysator. Ditt Ahrvid-fria alternativ:
<http://lists.lysator.liu.se/mailman/listinfo/korkek?SKRIVA?>
Sätt på ett par flipflops, vippa på rumpan
och gör det här till en minnesvärd sommar!
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Sat Jul 5, 2008 4:09 am

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nitro2k01
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Forward 		Message #545 of 632 |
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A friend gave me a breadboarded MC2. He had it working on the breadboard once-upon-a-time, but it had been sitting in his closet for a couple years. I soldered... 		kingconga42
Offline Send Email 		Jul 2, 2008
4:11 pm

... The pin next to Vcc is an input pin, which means that connecting it to Vcc is fine. The output that drives that input will likely be destroyed though. If...
Ove Ridé
nitro2k01
Offline Send Email 		Jul 2, 2008
4:32 pm

Thanks. There's a chance the 7414 was destroyed to begin with. It was getting hot. I'll try replacing it and the PIC tonite.... wish me luck! -justin =...
kingconga42
Offline Send Email 		Jul 2, 2008
4:57 pm

Right, the KITT stuff etc works aswell without the 7414, put it out and check again. If it doesn't work it is more than possible that you accidentally ...
firestARTer
toemmes76
Offline Send Email 		Jul 2, 2008
5:36 pm

Hooray! I'm an idiot! All my connections were good, except for ONE LITTLE thing- I had the input voltage (9V+) wired directly to the 5V rail, instead of the ...
kingconga42
Offline Send Email 		Jul 3, 2008
3:38 pm

woohoo! Yup. programmed a new PIC, popped it in, and now i'm in MIDI GB heaven! (the other pic was toast, btw) Remember kids: Don't feed your ICs too much...
kingconga42
Offline Send Email 		Jul 4, 2008
3:44 am

... Wait a minute... The schematic contains a 7805 regulator. I don't see how you could possibly accidentally feed the PIC with mroe than 5 V unless you feed...
Ove Ridé
nitro2k01
Offline Send Email 		Jul 4, 2008
5:22 pm

... Hash: SHA1 ... as far as i understood he was sort of "bypassing" the voltage regulator and was feeding the circuit with 9 volt unregulated. marco ... ...
marco
bklsync
Offline Send Email 		Jul 4, 2008
6:08 pm

That's exactly it, i was bypassing the regulator. The PIC seemed to function fine at 9v, it was still doing its job, but it did get a little hot to the touch....
kingconga42
Offline Send Email 		Jul 5, 2008
4:05 am

... I missed your other mail when you changed the subject line. (: /Ove ... Low Bitrate Netlabel: <http://flb.gg8.se/> Blog: ...
Ove Ridé
nitro2k01
Offline Send Email 		Jul 5, 2008
4:09 am
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