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You are here: Home / Topics / Need help Propeller clock with ATMega16

Need help Propeller clock with ATMega16

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Microcontroller › AVR › Need help Propeller clock with ATMega16

  • This topic has 4 replies, 2 voices, and was last updated 10 years, 3 months ago by D.V.G. Krishna.
Viewing 5 posts - 1 through 5 (of 5 total)
  • Author
    Posts
  • April 29, 2012 at 4:03 pm #1777
    Coita Petru-Daniel
    Participant

    I want to build a propeller clock using ATMega 16 . Does anyone have a schematic file for this king of project?

    I want also to use 3 74hc59581 latches for my Rgb Leds and i also need some help with the code. If anybody has done this , please share

    May 2, 2012 at 7:23 pm #7576
    D.V.G. Krishna
    Participant

    yes

    im working on the same project

    first i made it with 8051 later i developed it with atmega16L

     

    currently im working to stebilize the display using a IR slot sensor and interrupts of atmega16,

     

    if you want to make a simple one

    you need to work on delay calculations as per your motor.use the delay functions given in util folder in winavr

    #define F_CPU 16000000UL

    // as per your working frequency

    #include<util/delay.h>

     

    the functions are

    _delay_ms(1000);//1000milliseconds delay

    _delay_us(1000);1000micro seconds delay

     

    refer the following link

    http://homemaderobo.blogspot.in/2012/03/propellerrotating-led-display.html

     

     

    May 4, 2012 at 5:03 am #7586
    Coita Petru-Daniel
    Participant

     

    Thank you for the advice . I’ve read your blog and it hink you did a great job . 
    I also read the comments , you offered the code in C . Could you please send it to me on my email [email protected]?
    Have you used the IR emitter to activate the main interuption ( when the propeller completes a full rotation)?
    Thank you again
    May 14, 2012 at 11:04 am #7792
    D.V.G. Krishna
    Participant

    if we use IR led and photodiode the switching will not be accurate. and it wont work properly at high speeds

    May 14, 2012 at 11:04 am #7806
    D.V.G. Krishna
    Participant

    if we use IR led and photodiode the switching will not be accurate. and it wont work properly at high speeds

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