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Sound Processor with 555

Easy sound processor provided here is an ultra-simple circuit module suitable for nearly all primary electronics and microcontroller initiatives. As an instance, this module may be used as a the front-result in an electronics mission to stumble on and technique ambient sound in an green manner. Even much less-skilled hobbyists will discover the development of the circuit on a preferred motive published circuit board a reasonably smooth affair, in view that there is no at a loss for words wiring and all additives are housed at the board. As the circuit has no essential adjustment points it is straight away prepared for real-world packages.

Sound Processor With 555 circuit diagram


The acoustic sensor within the circuit is a preferred omni-directional foil electret microphone (mic). Sound indicators picked up by means of this microphone is processed by  bc547b transistors (t1 and t2). Pre-processed alerts from this segment is linked to the monoshot brick found out using the famous ne555n chip (ic1). The whole module may be powered from any popular five volt dc supply. Pins 1 and a pair of of the 3-pin jst connector (j1) denotes vcc (+5v) and gnd (0v) connections respectively, even as the very last 3rd pin works because the digital signal output (do) pin.

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