![]() ![]() It can use green, red, and a combination of these two, resulting in having amber-colored segments. Each segment is composed of green and red-colored LEDs, making it possible to have various essential states marked in a different color. The onboard bar graph display segments are bright and uniformly colored, providing pleasant and clean visual feedback. The LM3914 operates in a voltmeter format and lights the XGURUGX10D, a ten-segment bar graph array, according to the strength of the given signal. Considering that this driver is analog controlled, this Click board™ also provides the ability to monitor the analog signal by the MCU via the AN pin of the mikroBUS™ socket. After filtration and amplification, these filtered and amplified signals are finally provided to LM3914. One part of the MC33072 represents a variable gain inverting amplifier using the TPL0501, an SPI-configurable digital potentiometer from Texas Instruments, while the second part represents a signal buffer. The capacitor then stops the DC component of the transmission, allowing the AC input from the microphone to enter the MC33072 Op-Amp. In the beginning, the microphone captures the sound and transforms it into voltages linear to sound amplitude. This board is manufactured with an onboard sound detecting device (microphone), the MC33072 Op-Amp, and the LM3914, which gleams the bar graph display according to the sound’s quality. The LM3914 is configured to work in bar mode where all parts of the bar graph display below a certain point turn on. That’s why VU Meter Click is suitable as a volume measurement gadget. ![]() A volume unit meter represents a device that displays the intensity of an audio signal more specifically, it is used to visualize analog signals. This is an analog-controlled driver meaning it can control display by an analog input voltage and eliminates the need for additional programming. VU Meter Click as its foundation uses the LM3914, a monolithic integrated circuit that senses analog voltage levels and drives a 10-segment bar graph display from Texas Instruments, making this solution a compact volume unit meter. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket. VU Meter Click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ is commonly used in visual alarms and other metering or monitoring applications. 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 manufactured with a sound detecting device (microphone), Op-Amp, and the LM3914, which gleams the bar graph display according to the sound’s quality. 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. VU Meter Click is a compact add-on board representing a volume unit meter that displays the intensity of an audio signal. ![]()
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