free pic programmer

I am trying to use the programmer from

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I have built the circuit picpgm_cable according to the diagram. I have used a

74LS04 instead of 74ALS05 because this is what was available. I then run the software WinPicPgm and on the status line at the bottom there is a message "No pic programmer found". Can you help me? thanks!!
Reply to
alismans
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At a glance I found this:

"A driver which is necessary to access the parallel port under Windows 2k/XP is included and loaded automatically by the programmer software (no user interaction necessary). "

It seems as if your driver isn't loading, look for it in your task manager. Further, is your parallel port on 0378h or one of the other two standard addresses?

Is your motherboard BIOS set to use the port as ECP ?

Reply to
Lord Garth

It looks like they assume you know to connect 5 volts and ground to the 74ALS04...did you power the inverter? It works best when power is present!

Reply to
Lord Garth

My apple pie recipe calls for apples. But I used tomatoes because that was what was available. How come my apple pie doesn't taste right???

The first step in making any circuit work is to use the correct part. If you can't us the correct part, at least use a COMATIBLE one. The '04 is trashing your return data path. mike

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Reply to
mike

----------------------- They are totally different parts, it won't work without the '05. The '05 is open-collector, totally different.

-Steve

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Reply to
R. Steve Walz

Wow! That one is way old Steve....are you just getting it?

Reply to
Lord Garth

-------------------- Nope, just finding the time to catch up is all, been too busy.

-Steve

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Reply to
R. Steve Walz

--------------- I note ALSO that nobody gave the right answer, are you guys slipping?

-Steve

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Reply to
R. Steve Walz

Mucho snippage...

Steve,

I took Mike's answer as the correct one. To quote

"My apple pie recipe calls for apples. But I used tomatoes because that was what was available. How come my apple pie doesn't taste right???

The first step in making any circuit work is to use the correct part. If you can't us the correct part, at least use a COMATIBLE (sic) one. The '04 is trashing your return data path."

That's why I didn't bother to answer.

BAJ

Reply to
Byron A Jeff

I'm up to my butt in alligators right now too...I will be traveling 200 miles to the job site Monday at 4:30 A.M. Lets hope the phone guy is on time as they don't like me climbing their poles!

Reply to
Lord Garth

The guy never got back to me about the use of a PCB or anything else. I would have suggested some other O.C. component but I really haven't given it any thought.

Reply to
Lord Garth

----------------------- But only a grade of B for that.

"But Byron, what's wrong, they're both inverters??!!"

-Steve

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Reply to
R. Steve Walz

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