szlovak said:Hello
I tried to print circuit (these from pdf files for ICD2 , DIL sockets) but it isn't precisly made. Or I'm setting something wrong in acrobat reader. But I think none of the available settings is making exact printout . The difference is about 1mm more than it should be in DIL 40 socket. Do you have the same issue?
Andy_123 said:I printed file you mentioned and it has exactly correct scaling.
Check to make sure Scaling option in Print dialog set to NONE
I am using LaserJet 4L as well, I don't see problem.szlovak said:I've tried it on HP LaserJet IIIp and 4L wit h the same result. Now I'm making new pcb in Eagle
icd2 with Pic16F877a+Pic18F4550+Firmware work ok
hi , this line not go anywhere.lollo_the_voice said:PiCS wrote:
icd2 with Pic16F877a+Pic18F4550+Firmware work ok
I read your schematic Icd2_Usb_4550 about the ICD2 clone but I can't understand some details. The lines connected to pins 2, 3, 4, 5, 7, 33, 34, 35, 38, 39, 16, 10 of 18F4550 and to pins 25, 26 of 16F877A that go into the bus are unlabelled! Where do I have to connect them?? Waiting for your answer, thanks a lot!!
Lorenzo
Hi NICK7, It's a nice job!NICK7 said:Hi to all
Bellow is a link to my ICD2 project web page
h**p://users.dod.sch.gr/nichrist/icd2_usb.htm
Regards Nick
I'm unable to find the schematics, pcb and other info about this icd2 clone. There're too much pages in the post and i'm not sure if i downloaded the correct files.
Is the circuit completed? can anybody tell me where it's?
thx.
wjr1955 said:manu said:Ludovic LANGE said:Hello all,
What are the intensity / amperage requirements for Vpp ?
Few mA only.
MAX662A is a good one, but it's relativiously expensive, try TPS6734 from ti !
I have used MAX641. No external mosfet or diode necessary ( up 250mW output )
Only 1 inductor (470 uH) and 2 resistors for adjustable out.
manu said:wjr1955 said:manu said:Ludovic LANGE said:Hello all,
What are the intensity / amperage requirements for Vpp ?
Few mA only.
MAX662A is a good one, but it's relativiously expensive, try TPS6734 from ti !
I have used MAX641. No external mosfet or diode necessary ( up 250mW output )
Only 1 inductor (470 uH) and 2 resistors for adjustable out.
Hi,
May you upload your schematic ?!
PiCS said:no need resistor for mclr to +Vcc
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