Jul 23

Simple Transistor-Buffered LED Bar VU Display Indicator

Led Vu Display6-schematic-diagram

Simple Transistor-Buffered LED Bar VU Display Indicator Circuit Schematic Diagram

Led Vu Display6-circuit

Simple Transistor-Buffered LED Bar VU Display Indicator Board and Components Layout

Parts List

Resistor :

  • R1,R2 …………………………….. 100
  • R3,R5,R7,R9 ……………………. 5K6
  • R11,R13,R15 …………………….. 5K6
  • R4,R6,R8,R10 …………………… 150
  • R12,R14,R16 …………………….. 150

Variable Resistor :

  • VR1 …………………………………. 1K

Capacitor :

  • C1,C2 ………………………… 220uF

Diode :

  • D1,D2 ……………………… 1N 4002
  • D3,—-D9 ………………….. 1N 4148
  • D10,—D16 …………………….. LED

Transistor :

  • TR1,—TR7 ……………… FCS 9014