Dalle mie vecchie raccolte di schemi, ecco un ennesimo frutto delle idee altrui, con alcune modifiche rispetto all'originale; si tratta di un misuratore di segnale B.F. da applicare alle uscite
ANALOG VU PHATRONICS
Four Analog VU Meter+Sound Level Indicator DB Panel Pro Audio Spectrum Analyzer
Kadimendium VU Audio Meter, Exquisite Workmanship VU Meter Wear‑Resistant High Accuracy for DIY Home Audio, Car Audio Transform : Industrial & Scientific
ANALOG VU PHATRONICS
High Accuracy VU Meter Analog VU Meter, Dial-Audios Level Meter Analog Sound Level Indicator for Speaker Amplifier - AliExpress
Adopting MCU to process the audio signal, better to achieve exponential gain driver, provides ultra-wide input signal auto adjustment. Adding
Analog VU Meter Stereo Audio Driver MIC DB Sound Level Indicator for Amplifier
Check your transmitter power
Analog VU Meter Audio Visualiser dB Meters STEREO Vintage Look
High-precision analog VU meter, with four channel audio inputs and four independent VU meter, adopting high-precision audio process chip to transfer
Four Analog VU Meter+Sound Level Indicator DB Panel Pro Audio Spectrum Analyzer
High-precision analog VU meter, with four channel audio inputs and four independent VU meter, adopting high-precision audio process chip to transfer
Four Analog VU Meter+Sound Level Indicator DB Panel Pro Audio Spectrum Analyzer
DIY Arduino Analog style Stereo VU meter on I2C Oled displays
High-precision analog VU meter, with four channel audio inputs and four independent VU meter, adopting high-precision audio process chip to transfer
Four Analog VU Meter+Sound Level Indicator DB Panel Pro Audio Spectrum Analyzer