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  • Buffer Boards for Raspberry Pi 2/3
    Published in Elektor

    Buffer Boards for Raspberry Pi 2/3

    by TonGiesberts
    TonGiesberts
    All 26 GPIOs are buffered with bi-directional voltage translators to p...
    17.5k 2
  • Dead simple led fader all analogue

    Dead simple led fader all analogue

    by Heribert Houben
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    This is a totally analogue LED fader without any transistor or IC
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  • Fading LED

    Fading LED

    by Rainer Schuster
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    Alternative circuit for the fading LED contest
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  • ESP8266/ESP12 programmer [160490-I]

    ESP8266/ESP12 programmer [160490-I]

    by Lucky
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  • LED heartbeat

    LED heartbeat

    by bruno4water
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    LED in/out fader with just 4 transistors
    8.1k 4
  • LED Analogue Fader

    LED Analogue Fader

    by mkstevo
    mkstevo
    Fading an LED - Old School style.
    7.9k 4
  • Simple Sound Effects 2.0 [130209]
    Published in Elektor

    Simple Sound Effects 2.0 [130209]

    by ClemensValens
    ClemensValens
    Here is a simple, little circuit that makes loud, useless noises with...
    26.7k 12
  • Analogue alternating linear LED fader using 2 different approaches
    Published in Elektor

    Analogue alternating linear LED fader using 2 different approaches

    by Roel Arits
    Roel Arits
    LEDs and closed loop brightness control ? Or using 'ancient' technique...
    18.1k 18
  • Recorder-like Electronic Musical Instrument : The Handset

    Recorder-like Electronic Musical Instrument : The Handset

    by Bobbylebob
    Bobbylebob
    Designed in collaboration with Michael J Bauer, original REMI designer...
    6.5k 1
  • Contest: design a fading LED circuit, win €100!

    Contest: design a fading LED circuit, win €100!

    by ClemensValens
    ClemensValens
    Design an all-analog fading LED circuit, post it on Elektor Labs, and...
    38.0k 30
  • Application for Viessmann model railway signals

    Application for Viessmann model railway signals

    by mwmuc
    mwmuc
    Model railway signals come with lots of wires to connect the LEDs with...
    6.2k 1
  • Clock / scoreboard / timer  with LEDitron modules (180533 / 160205)
    Published in Elektor

    Clock / scoreboard / timer with LEDitron modules (180533 / 160205)

    by rjv
    rjv
    If you ever need a large display for events or games, this is the thin...
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