Jump to content

please help with pic burner!


1truewheel
 Share

Recommended Posts

Hmm... As there is no PCB for this project available, it's not to easy for beginers.

To answer your questions:

Hi all. I'm in the process of building this new pic burner and I don't quite understand the schematic. For instance, IC2 pin # 3 goes to +5v and so does the power (green) LED. Where do I access the +5v??

IC2 is a voltage regulator which produces the 5V out of the 12-13V at J2. So just connect all the other pins with a +5V (e.g. IC3-pin14,R12, R11...) to Pin 3 of IC2.

I see that pin 14 of IC3 has +5v coming out. Would I tap into that?

Like i wrote above, ther are no +5V coming out of IC3. The +5V are comming from IC2.

Normally there are no different symbols for voltage sources and sinks in schematics. So you have to know at least what the ICs are doing to unterstand how it works.

Raphael

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
 Share

×
×
  • Create New...