Jun 12

Multiplexed LM3915 Stereo LED Bar VU Display

Stereo Led Vu Display2-schematic-diagram

Multiplexed LM3915 Stereo LED Bar VU Display Circuit Schematic Diagram

Stereo Led Vu Display2-circuit

Multiplexed LM3915 Stereo LED Bar VU Display PCB and Components Layout

Parts List

Resistor :

  • R1,R3 ……………………………….. 100
  • R2,R4 ………………………………. 12K
  • R5,R6 ……………………………….. 15K
  • R7,R8 ……………………………….. 18K
  • R9 ……………………………………. 470
  • R10,R11 …………………………….. 10K
  • R12,R13 …………………………….. 820
  • R14,R15 ……………………………… 1K
  • R16,R17 …………………………….. 22K

Variable Resistor :

  • VR1,VR2 ……………………………. 50K

Capacitor :

  • C1,C2 ………………………………. 2,2uF
  • C3,C4 …………………………….. 0,47uF
  • C5 …………………………………. 100uF

Tansistor :

  • TR1,TR2,TR3,TR4 …………FCS 9013
  • TR5,TR6 ……………………. FCS 9012

Diode :

  • D1,—-,D20 ………………………… LED
  • D21,D22 ……………………….. 1N 4002

Integrated Circuit :

  • IC1 ……………………………….. LM 3915