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Projects from RS-elc

  • Spongillator: A sponge based audio oscillator

    Spongillator: A sponge based audio oscillator

    by RS-elc
    RS-elc
    Oscillator sweeps from 20kHz to 20Hz controlled by sponge capacitor. S...
    1.6k 0
  • Analog audio FX: Pipeline Distortion, build

    Analog audio FX: Pipeline Distortion, build

    by RS-elc
    RS-elc
    Provides flexible and dynamic signal distortion as a sound effect for...
    10.0k 6
  • Analog audio FX: Pipeline Distortion, basics

    Analog audio FX: Pipeline Distortion, basics

    by RS-elc
    RS-elc
    This new circuit provides flexible and modulated distortion effects fo...
    11.6k 5
  • Extended tuning range for RC-oscillators like the 555

    Extended tuning range for RC-oscillators like the 555

    by RS-elc
    RS-elc
    Increase potentiometer frequency control span with a factor of 10 or m...
    8.7k 1
  • How to send up to 1 GHz over a breadboard

    How to send up to 1 GHz over a breadboard

    by RS-elc
    RS-elc
    Transmission up to 1 GHz over a breadboard allows testing without sold...
    6.2k 0
  • True white noise source for the audioband

    True white noise source for the audioband

    by RS-elc
    RS-elc
    Produces a true random signal using a thermal noise source: a resistor...
    5.8k 2
  • 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...
    14.9k 4
  • Thyristor used as a temperature sensor and switch
    Published in Elektor

    Thyristor used as a temperature sensor and switch

    by RS-elc
    RS-elc
    This circuit detects if the temperature of an object became too high....
    16.0k 4
  • Airflow detector, Arduino only (no components)
    Published in Elektor

    Airflow detector, Arduino only (no components)

    by RS-elc
    RS-elc
    This detector circuit uses just the Arduino Nano itself, no added sens...
    14.9k 9
  • Blink in the dark, without transistors
    Published in Elektor

    Blink in the dark, without transistors

    by RS-elc
    RS-elc
    Oscillator circuit using only 4 passive components to make a LED blink...
    23.0k 6
  • Voltage controlled 24dB/oct Synthesizer Filter using LDRs
    Published in Elektor

    Voltage controlled 24dB/oct Synthesizer Filter using LDRs

    by RS-elc
    RS-elc
    This 4th order audio filter design is based on four LDRs controlled by...
    11.9k 12
  • Synthesizer MonoVoks4, analog filter Polivoks style

    Synthesizer MonoVoks4, analog filter Polivoks style

    by RS-elc
    RS-elc
    Music synthesizer with voltage controlled analog resonant filter and a...
    17.4k 8
  • Voltage controlled passive Filter using a common mode choke

    Voltage controlled passive Filter using a common mode choke

    by RS-elc
    RS-elc
    This 2nd order filter uses four passive components. Frequency control...
    10.2k 0
  • Analog Synthesizer Filter using one opamp

    Analog Synthesizer Filter using one opamp

    by RS-elc
    RS-elc
    Lowpassfilter with voltage controlled frequency and Q (up to oscillati...
    18.4k 6
  • Synthesizer PRBSynth1
    Published in Elektor

    Synthesizer PRBSynth1

    by RS-elc
    RS-elc
    Music synthesizer based on noise and pattern generation. Sound effects...
    19.2k 11
  • Electric charge detector

    Electric charge detector

    by RS-elc
    RS-elc
    Electric charge detector using 3 components only. Warns you when elec...
    18.4k 4

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