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  • Vocal remover circuit, no chips, passives only
    Published in Elektor

    Vocal remover circuit, no chips, passives only

    by RS-elc
    RS-elc
    A tiny circuit that removes most of the lead vocal from a popsong (ins...
    17.3k 4
  • Easy to build ESP32 domotica with ESP32 mesh network operable via web page

    Easy to build ESP32 domotica with ESP32 mesh network operable via web page

    by thieu-b55
    thieu-b55
    easy to build and to use domotica system with ESP32 For the main modul...
    6.4k 0
  • GlowDuino Uno

    GlowDuino Uno

    by GlowDuino
    GlowDuino
    A better version of the well-known Uno board. Now with a bunch of LEDs...
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    Simple charger and capacity measurement equipment:

    by gfaman
    gfaman
    With 2 modules quite cheap on the market, fast and enough charger / di...
    7.1k 2
  • Rotary Dial Phone as Remote Control

    Rotary Dial Phone as Remote Control

    by ClemensValens
    ClemensValens
    Turn an old analog rotary-dial phone into a remote control and alarm f...
    2.9k 0
  • A very fast way of estimating a 2_log(x)

    A very fast way of estimating a 2_log(x)

    by SigMul
    SigMul
    Often a Log Compression is used to create a good match of (detected) s...
    5.4k 0
  • SMS_V2 remote control

    SMS_V2 remote control

    by Arduino47
    Arduino47
    The changes made to the SMS_V2 version presented here are: Addition of...
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  • Versatile Audio Amplifier with the Current Output Signal

    Versatile Audio Amplifier with the Current Output Signal

    by Walor
    Walor
    A special sound of the transistor amplifier without the negative feedb...
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  • Linear Voltage Regulator for Fortissimo-100 [220581]

    Linear Voltage Regulator for Fortissimo-100 [220581]

    by TonGiesberts
    TonGiesberts
    For those who don't want to use a SMPS to power the Fortissimo-100 Pow...
    17.0k 23
  • perhaps the world's friendliest mousetrap

    perhaps the world's friendliest mousetrap

    by thieu-b55
    thieu-b55
    Mousetrap 2.0
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  • ESP32 Internet Radio

    ESP32 Internet Radio

    by ybourdon
    ybourdon
    Excellent audio performance for this easy to use radio, able to decode...
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  • DIY Protected Lithium Battery Charger (TP4056)

    DIY Protected Lithium Battery Charger (TP4056)

    by DIY GUY Chris
    DIY GUY Chris
    Step-by-Step guide on how Lithium Battery charger circuit works and fu...
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