Sunday, May 26, 2013

How to Make a AVR Microcontroller Programmer


How to Make AVR Microcontroller Programmer

This is simple microcontroller programmer works with various microcontrollers. This programmer enable to program 89S series, AT89XX, AT90XXXX , 8031 family, 8051 and other AVR microcontrollers. For other AVR microcontroller make 20, 28, 40 pin adepter.

Component List :


1)74HCT541
2) BC557
3) 10nF – 3
4) 680Ω - 2
5) 4.0MHz Cristal
6) 100nF
7) 1K
8) 100Ω - 4
9) 4k7 – 4
10) LED – 2
11) DB25 connector


Circuit Diagram: 

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