Audio level kit

Description:

This VU meter, short for “Volume Unit meter,” is an educational tool used to introduce students and electronics enthusiasts to the field of audio signal measurement and display. The kit is designed to provide a visual representation of the audio signal level, making it easier to monitor and control the volume of audio equipment. It does not provide an exact numerical measurement but offers a relative indication of volume.

Specifications:

Power voltage: DC9V--12V
PCB size: Approx. 62 x 26mm
Two kinds of indicator mode: strip indicator and fire dot indicator

Package including : All components to build this kit 

Kit contains:

1 x pcb
1 x socket
1 x LM3915
1 x variable resistor
2 x ceramic capacitors
2 x wire
2 x connector
10 x resistors
10 x leds