16f628 problem

zhaniko93

New Member

• Dec 23, 2010

• #41

be80be
I'm from georgia P.S. so the reasin is in lack of voltage on MCLR yes? what if just putting 1.5V battery in series from RS232 V++ to MCLR? Like rs232-Vbattery-MCLR? are the other voltages enough? and when not programming, just 1.5V will be on that pin and it won't make any problems yes?

 

be80be

Well-Known Member

• Dec 23, 2010

• #42

You could try I tested maybe 50 jdm style programmers some work a little better then the rest but if your serial post is low they don't work right You need you a pickit2 or clone of one if you want to make one like this Pm me and I'll tell you how to get a 18f2550 with pickit2 firmware on it for free.

 

Attachments

• MY_CLONE.PNG

  106.8 KB · Views: 228

zhaniko93

New Member

• Dec 23, 2010

• #43

be80be
I sent you a PM and Now it IS 11 volt and can't program and why? 11 is enough yes?

 

be80be

Well-Known Member

• Dec 23, 2010

• #44

You need 12 to 14 volts for the 16f628a like Eric posted

 

zhaniko93

New Member

• Dec 23, 2010

• #45

Can't I do anything to increace the voltage? for example, turn off the cooler or something or just from BIOS or something like that?

 

ericgibbs

Well-Known Member

Most Helpful Member

• Dec 23, 2010

• #46

zhaniko93 said:

Can't I do anything to increace the voltage? for example, turn off the cooler or something or just from BIOS or something like that?

Click to expand...

Have you tried your 1.5v battery in series with MCLR

 

zhaniko93

New Member

• Dec 23, 2010

• #47

I can't do it because I program with programmer and i don't know where and how to connect battery

 

ericgibbs

Well-Known Member

Most Helpful Member

• Dec 23, 2010

• #48

hi.
Look here.

 

Attachments

• 000esp04.gif

  53 KB · Views: 195

be80be

Well-Known Member

• Dec 23, 2010

• #49

You have to like programming to use a jdm and keep at it there a pain. I would say the 1.5 volt boost will do the job

Eric

 

ericgibbs

Well-Known Member

Most Helpful Member

• Dec 23, 2010

• #50

be80be said:

You have to like programming to use a jdm and keep at it there a pain. I would say the 1.5 volt boost will do the job

Eric

Click to expand...

hi,
I would never use or own a JDM prommer, my PIC Start+ gets the job done for me.

 

zhaniko93

New Member

• Dec 23, 2010

• #51

So I have to build a new programmer? can't anything be done with this one?I have absolutely the same:
**broken link removed**
**broken link removed**

 

ericgibbs

Well-Known Member

Most Helpful Member

• Dec 23, 2010

• #52

zhaniko93 said:

I have absolutely the same:

Click to expand...

Are you saying the 1.5V battery did not work.???

 

zhaniko93

New Member

• Dec 23, 2010

• #53

no no I mean I have the same programmer and there is no way to connect battery. open the pictures and you will guess what I mean

 

ericgibbs

Well-Known Member

Most Helpful Member

• Dec 23, 2010

• #54

zhaniko93 said:

no no I mean I have the same programmer and there is no way to connect battery. open the pictures and you will guess what I mean

Click to expand...

hi,
This is the way I would try it.

 

Attachments

• 000esp05.png

  148.2 KB · Views: 191

zhaniko93

New Member

• Dec 23, 2010

• #55

ericgibbs
ok I will try, thanks!

 

be80be

Well-Known Member

• Dec 25, 2010

• #56

Did the battery help It should

 

zhaniko93

New Member

• Dec 26, 2010

• #57

Yes it helped ) thanks for helping