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Serial PIC16F84 Programmer Without Power (PIC16F84)

2014-11-09 18:18  
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This article describes the Serial PIC16F84 Programmer Without Power (PIC16F84). The content is very simple, very helpful. Components in this article can help you understand better understanding of this article. For example, in this article, you can go to find and buy these components:PIC16F84. 

I finally found universal window based software designed to work
with any serial programmers for PIC16F84 written by Nigel Goodwin. Build
this programmer before started experimenting the forthcoming many
interesting F84 projects. Some PIC programmers can be used for in
circuit programing, some provide many PIC chips including eeprom, say.
The F84-Programmer, however is suitable for beginners. It’s so simple
and cheap.
I prefer a serial programmer. It does not require an external power
supply, it extracts power from the PC RS232 connection. The circuit
below also works fine with laptop computers, despite their often too low
RS232 voltages. The 9-pin female connector (CON1) connects directly to
the PC serial output. It is not designed as a production programmer, so
it lacks a ZIF-socket. Use an open IC-socket instead. Programming
software and application examples could be found for example at the
links of www.mikrocontroller.net, www.jdm.homepage.dk or
pic16f84sch 236x300 Serial PIC16F84 Programmer Without Power