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LED Sound Level Indicator Circuit - Making Easy Circuits
https://makingcircuits.com/blog/led-sound-level-indicator-circuit/
Circuit Description. From the figure below, you can see the Sound Level Meter. Audible tone is detected by MIC1 (an electret microphone element) …
Audio level meter circuit diagrams
http://circuit-diagrams.net/categories/audio-level-meter
Audio VU Meter This circuit uses two quad op-amps to form an eight LED audio level meter. The op-amp used in this particular circuit is the LM324. It is a popular IC and should be available from many parts stores. Read more... Audio Peak Level Meter Using a single MOSFET Op-amp this circuit samples the audio input and displays peak readings.
VU meter circuit Stereo 20 LED with PCB | ElecCircuit.com
https://www.eleccircuit.com/led-vu-meter-circuit/
Electronic VU meter circuit diagram using LM3914 / LM3915. The main of this circuit is LM3914N or LM3915. Which the external circuit is the same. Difference of LM3914 & LM3915. LM3914N will display an amplitude of a signal in Linear form. LM3915N will display the signal in Logarithm form.
LED Audio Level Meter Circuit Using 2N4401 Transistors
https://circuits-diy.com/led-audio-level-meter-circuit-using-2n4401-transistors/
An LED audio level meter is an electronic testing device that shows the intensity level of any audio signal with respect to its audio amplitude. It has become an essential piece of electronic testing equipment for procedures such as signal intensity and quality analysis in Audio Studios & lives music production and recording sets. So, in this project, we are going to design …
Audio level meter circuit - VU Level Meter
https://www.circuitstoday.com/audio-level-meter-circuit
Description. A simple and low cost audio level meter circuit that can be used to measure the audio level of your sound source.This circuit is a valuable tool for those who are interested in audio circuits. The circuit is designed with a flat frequency response in the range of 20Hz to 50Khz. Input sensitivity is 100mV for a FSD on a 100uA ammeter.The circuit is build …
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