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Circuit Bench

  • Dual indicator (CB22136E)

      Obtained from an English publication, this circuit actually needs a current limiting resistor,...

  • Sound Strength Meter (CB18106E)

      This 2003 circuit serves to digitally show the intensity of a sound captured by a microphone....

  • Audible voltage indicator (CB21332E)

      Suggested by a Popular Electronics from the 90s, this circuit uses a buzzer to indicate the...

Latest

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