Usage:
About signal input:
The board comes with a microphone, no need to connect an audio signal, it can detect and receive an external sound source and the flashing of the LED -Control lamp beads. The disadvantage is that the sensitivity is not as good as line input and is easily affected by other external noise.
If you need a line input, this step is about the audio signal (for example The headphone power amplifier of a mobile phone or computer cannot be connected to the output of the power amplifier or speaker), you can remove the microphone and the signal is fed directly from the microphone. When the lights are on, adjust the potentiometer counterclockwise to decrease) This connection is recommended.
Specification:
Item Type: VU Meter
Material: Plastic
Size: Length 10cm/3.9 inch x Width 3cm/1.2 Inch;
Lamp beads: 5mm round head fog-like LED, uniform and non-glare (multi-color optional);
Power supply: DC 5V-12V is available, the board comes with a Micro USB socket supplied, you can use the corresponding mobile phone charging cable to connect the power adapter, and 2 pad ports are reserved for users to run their own wires;
Package list:
1 x VU meter
Note:
The signal sensitivity is adjustable, the built-in adjustable potentiometer can be adjusted by about ten turns, and you can hear a tick inside the potentiometer when you turn it up to the Set end, counterclockwise to decrease, clockwise to increase.