MCUmall EPROM BIOS Chip Burner Forum
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 Open Source Project Willem Programmer Hardware
 Hardware PCB Layout for Dual Power Willem/PCB3B
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mcumall

78 Posts

Posted - 06/22/2005 :  13:15:42  Show Profile  Reply with Quote


ICs:
D1,D2 CD4503 ==> data write buffer from LPT port output
D3 CD4014 ==> data read buffer/converter, to LPT port
A1 CD4503 ==> A0~A7 address decoder
A2 CD4503 ==> A8~A15 address decoder
A3 CD4503 ==> A16~A23 address decoder
V1 34063A ==> 12.7V~25V Vpp DC-DC converter
C1 74HC04 ==> Vcc on off control and data read buffer
Reply #1

concrete

1 Posts

Posted - 02/13/2006 :  14:24:36  Show Profile  Reply with Quote
Do you also have a hardware PCB Layout for the Enhanced Willem board too? Could you post a photo like the one above for reference. I've found half the photo (posted by usb)

but would like the full board identifying the components. Thanks.

Edited by - concrete on 02/13/2006 14:33:49
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Reply #2

usb

138 Posts

Posted - 10/26/2006 :  10:27:46  Show Profile  Reply with Quote
The enhanced board layout provided by: YMasquel
See original post: http://www.mcumall.com/forum/topic.asp?TOPIC_ID=93
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Reply #3

Chezedik

USA
6 Posts

Posted - 03/08/2007 :  19:40:44  Show Profile  Reply with Quote
Are there many other versions, because mine doesn't look much like either of those.
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Reply #4

burhan

2 Posts

Posted - 11/08/2011 :  10:30:25  Show Profile  Reply with Quote
willem v30 willem 40 pcb files and other desing programmer www.wupload.com/file/829021176/profosyonel-programlayicilar-atmel-pic-eprom-flash.rar
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Reply #5

johnb

USA
4 Posts

Posted - 03/25/2015 :  19:07:31  Show Profile  Reply with Quote
The programmer in the thrid reply which one is that. I have one that looks just like it and need the info on it.
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Reply #6

johnb

USA
4 Posts

Posted - 03/25/2015 :  19:08:28  Show Profile  Reply with Quote
Sorry second reply.
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