LED VU Meter 5LEDs CH1403 or LB1403 IC

5 LED VU Meter project is based on LB1403/CH1403 IC from SANYO, which will indicates the volume level of the audio signal it senses. Features  Power supply : 6 to 12 VDC @ 90 mA Lighting levels remain stable to line regulation because of on-chip voltage reference LED’s are driven by a constant current Onboard presets to adjust input sensitivity

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