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Arduino Alarm Clock Project

Project tutorial by CSteele

  • 6,550 views
  • 0 comments
  • 14 respects

Color Sorting Machine

Project tutorial by Little_french_kev

  • 7,109 views
  • 10 comments
  • 71 respects

How to Make an Ultrasonic Levitator Using Arduino

Project tutorial by CiferTech

  • 4,822 views
  • 3 comments
  • 23 respects

Comments 3

  • Buzz Wire with Score Counter 2 months ago

    It works! I just had to add 5V to the MR pin on the 74HC595! (I did change a bit the code so the leds shows a water mark)
    Very fun project, Many thanks!

  • Buzz Wire with Score Counter 2 months ago

    Hello, Behrooz66, Thanks for your reply. I condirm that the 74GC595 does support led as per the datasheet, But I just realized that the value of the resistors between ground and the leds must be 560 Ohm... or 470 as per the site you advised. I'll go on searching...
    I already grounded the OE pin; no change except that the led flash on power on...

  • Buzz Wire with Score Counter 2 months ago

    Nice and fun project! I made it, the buzzer and the game are working fine, but the led count doesn't work... I replaced the 8 segment display by 8 leds with 220 Ohm resistors... Can you help ?

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