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VFD music spectrum screen is a classical vacuum display device, with the pickup and STM32F103 processor, to display a unique music spectrum, 10 display modes; one key to learn environmental noise and calculate the display threshold; 2 sleep modes, built-in clock, can It is the clock, or it can be the audio spectrum, depending on the situation.
Horizontal distribution of 25 frequency bands, vertical display of frequency band voltage gradients, dual-mode input, silicon microphone (MEMS) and audio input, with STM32F103 processor, to analyze and display the sound spectrum.
Configurable functions: MEMS gain setting, noise learning setting, display speed setting, sleep pattern setting, clock setting.
Product size Length, height and width: 176x50x28mm, power supply: Type-c 5V-2A (can not use fast charging); 12V-1A (power supply should not have too much noise, clean power supply is the best),
Necessary matters needing attention: the light column on the far right keeps beating one bar in a quiet environment, which is a normal situation. The situation will only last for 10 seconds. After jumping to the clock, it will return to normal to avoid noise interference. The music spectrum needs to reach 3 bars when it starts. Brightness, (beaming bar below the clock), please know before buying.
Price effective as of Mar 22, 2025 15:39:49 UTC
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