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Author Topic: Half dead 18F4550  (Read 821 times)
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towlerg
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« on: July 11, 2014, 06:00:43 18:00 »

For reasons beyond understanding (ie I put 12v on Vcc)  I've managed to half kill a 4550, my PicKit2 still sees a 4550 but can't erase or write.

Anybody know of a trick, you know the sort of thing, heat it up, cool it down, hit it with a hammer or put it on eBay and say its untested.

George
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bbarney
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« Reply #1 on: July 11, 2014, 07:15:44 19:15 »

Quote
I've managed to half kill a 4550

Don't let the poor thing suffer like that ,put 24v on it and finnish the job  Grin
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CocaCola
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« Reply #2 on: July 11, 2014, 08:48:33 20:48 »

Attach alternating pins to the mains and liberate the rest of the magic smoke that makes it work!
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bbarney
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« Reply #3 on: July 11, 2014, 09:55:15 21:55 »

Attach alternating pins to the mains and liberate the rest of the magic smoke that makes it work!

Must be an Echo in here Smiley
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Old_but_Alive
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« Reply #4 on: July 11, 2014, 10:03:22 22:03 »

its a deceased parrot, its dead, throw it away

you have probably destroyed the Pickit 2 as well.

just accept it
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« Reply #5 on: July 11, 2014, 11:14:10 23:14 »

Must be an Echo in here Smiley

Not unless your mains are 24V, mine are 110V/220V Wink  I say if you are going to do it do it BIG, and hope for fireworks!
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pickit2
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There is no evidence that I muted SoNsIvRi


« Reply #6 on: July 11, 2014, 11:39:46 23:39 »

you have probably destroyed the Pickit 2 as well.
I'm ok. I have been tested to 230V a few times.
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TucoRamirez
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« Reply #7 on: July 12, 2014, 12:22:42 00:22 »

microwave it !!  pop corn that usb device!!
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optikon
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« Reply #8 on: July 12, 2014, 12:46:06 00:46 »

Half dead? Sell the part that is half alive for 1/2 the cost.
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bbarney
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« Reply #9 on: July 12, 2014, 12:58:01 00:58 »

Not unless your mains are 24V, mine are 110V/220V Wink  I say if you are going to do it do it BIG, and hope for fireworks!
I suggested 24v because I didn't want to see George loose an eye when all that shrapnel start's to fly Smiley
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krishna.velu
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« Reply #10 on: July 24, 2014, 09:07:52 09:07 »

 Keep it in a muesum.

It may be difficuilt to build another one(same as half dead). Tongue Shocked Cool

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« Reply #11 on: July 28, 2014, 10:13:43 22:13 »

It's ruined, you probably popped the VPP circuitry and other stuff.
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