1pcs Dual 12 music Level indicator LED spectrum VU Meter Amplifier lamps Light Speed Adjustable Board for mp3 dc 7-12V

  Features:

       Ultra-small size stereo level lights, light bar can be adjusted to rise, the rate of decline and peak lamp residence time, the rate of decline. Each lamp set up a separate current limiting resistor, Ensure the same brightness of the different color lights, Signal input through the op-amp isolation, Avoid single-chip high frequency interference audio.

Features:

1. The minimum volume, PCB the size of 80mm x 14mm , LED module area: 58mm x 14mm .

2. The feature-rich, user can freely adjust each light bar and the main peak of the real speed of light, with the most suitable for their own display.

3. Audio input through the TI original signal isolation, the maximum to avoid the single-chip high-frequency interference to an audio circuit in series.

4. Different colors of light alone provided a current limiting resistor. Guarantee a perfect match.

Notice:

1. MCU used time-sharing sampling when sampling, so that there is dual-channel simultaneous parallel input signal changes fast, the amplitude of the two light bar display may may be differences, this is a normal situation.

2. In extreme cases, there maybe have very slight high frequency noise. Recommended to replace the signal input wire to dual-core shielded wire in head position.

3. Operating Voltage: 7-12V, Current can work in more than 100MA. Prohibited Voltage exceeds 12V or positive and negative reversed, otherwise it will cause level indicator damage.

Display Effect:

1. Strip show + after peak stay falling

2. Strip show + after peak stay disappearance

3. Strip show + (no peak display)

4. Strip show + after peak flow to the right disappears

5. Ribbon display + (three lights)

6. Strip show + peak marquee effect

7. Strip show + after peak lamp jump two bits to right disappears

This level lamp have standard display mode and wide range of automatic gain control(AGC)mode.

Working Voltage: DC 7-12V 100mA

Colors: 7 Green + 2 Orange + 3 Red

Package Contents

100% Brand New

1xDouble 12 bit LED level display completed board 7 Green 2 Orange 3 red

1x cable