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ATMEL AVR ATMEGA8535 Micro controller Trainer

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engineerpervez1

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I am preparing a AVR ATMEGA8535 Trainer it has following
specification.
LCD Display with back light with contrast adjustment.
4 digit 7-segment Multiplexed disply
2 Nos analog inputs (one LDR and other analog voltage by Potentiometer
4 Nos of digital inputs isolated with opto coupler (Like PLCs Inputs)
8 bits digital output capable handling 500 mili Amp 24 volts
5 Volt regulator on board.
One real time clock chip
2 nos of Relay outputs
Infra red communication.

it is 80 % complete if any body interested in it, I will send more detail
 
Last edited:

Hi,
Haven't you placed any LEDs or a buzzer? I think there should at least be 8 LEDs and one buzzer with provision to connect them directly at the output of the ATMEGA8535.
You could also have at least one switch (momentary or latched) that pulls a pin low when pressed. Just a suggestion....
Could you let us know some more details?

Hope this helps.
Tahmid.
 

yes 8 LED indication I forget to write.
yes one pizeo buzzer.
and RS232 communication.
Four opticaly isolated inputs
one input out of 4 inputs is on interrupt.
and 2 analog outputs.(these are PWM outputs).
No latched input sorry.
 
Last edited:

yes, my camera has some battery charging problem, let me solved it, I will post the complete
design with the schematic diagram.
 

Dear Tahmid
now you can view my AVR trainer Images.



---------- Post added at 19:13 ---------- Previous post was at 19:09 ----------

More
AVR Trainer Images


---------- Post added at 19:34 ---------- Previous post was at 19:13 ----------

overall view of the AVR trainer

 
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    Tahmid

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