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  • Breakout board with NE555

      Breakout board based on the integrated 555 (SMD version), one of the integrated circuits that made the history of solid-state electronics. The 555 is a timer that can be configured in various ways incorporating a pair of comparators...

    • Posted 8 months ago
    • 0
  • How to build a Coin-Operated timer with a display interface

      This circuit provides timed access to pay services such as games, showers, blows dryers and various types of vending machines, thanks to a coin counter and a display interface.   In the applications involving the paid...

    • Posted 1 year ago
    • 0