Visualize audio signal strength with a bar graph display using the LM3914

VU Meter Click is a compact add-on board representing a volume unit meter that displays the intensity of an audio signal. This board features the LM3914, a monolithic integrated circuit that senses analog voltage levels and drives a 10-segment bar graph display from Texas Instruments. This Click board™ is manufactured with a sound detecting device (microphone), Op-Amp, and the LM3914, which gleams the bar graph display according to the sound’s quality. The LM3914 is an analog-controlled driver meaning it can control (turn ON or OFF) a display by an analog input voltage and eliminates the need for additional programming.

This Click board™ is commonly used in visual alarms and other metering or monitoring applications.

For more information about VU Meter Click, please visit the product page.

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