10/31/2023 0 Comments Vu meters meter software for windows 7The resulting VU meter has 38 bars per channel, and is highly responsive. The Arduino then measures the voltage on those inputs and feeds the necessary commands to the PT6314 driver to update the display. With some minor tweaks, the character set can be modified to allow the display to become a surprisingly-responsive VU meter.Īn Arduino Nano runs the show, with an envelope follower circuit feeding a signal for the left and right channels into the analog inputs of the microcontroller. This has the benefit that it can be readily driven by a microcontroller in much the same way as the familiar HD44780 character LCD driver chip. The project is built around a VFM202MDA vacuum fluorescent display, which provides that lovely green-blue glow we all know and love, driven by a PT6314 driver chip. This build from is of the latter variety, repurposing a VFD display to do the job. Humans love visualising music, whether it’s in the form of an inscrutable equation drawing squiggles in Winamp, or a simple VU meter pulsing with the beat.
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