LM3914 LM3915 10 LED VU Meter Sound Level indicator Board
₹200.00Original price was: ₹200.00.₹139.00Current price is: ₹139.00.
• LM3914 / LM3915 based VU meter board
• 10 LED bar display (3 mm or 5 mm LEDs supported)
• Supply voltage: 9 V to 18 V (12 V recommended)
• Can operate on 9 V or 12 V battery
• Adjustable sensitivity using onboard preset (RV1)
• Signal input from speaker output (parallel connection)
• Bar mode display enabled
• Compact PCB size: 38 mm x 72 mm
• Suitable for audio level indication and DIY projects
LM3914 / LM3915 10 LED VU Meter Sound Level Indicator Board
The LM3914 / LM3915 VU meter board is designed for visual audio level indication using a 10-LED bar display, suitable for amplifier monitoring and DIY audio projects.
Configuration:
VU meter driver board using LM3914 / LM3915 IC
10 LED bar display indicator
Electrical Characteristics:
Supply voltage range: +9 V to +18 V DC
Recommended supply voltage: +12 V
Compatible with 9 V or 12 V battery operation
Package:
PCB size: 38 mm x 72 mm (1.5 inch x 2.8 inch)
PCB thickness: 1.6 mm
Construction:
Compact PCB design for easy integration
Supports 10 LEDs (3 mm or 5 mm)
Onboard preset (RV1) for sensitivity adjustment
Configuration Notes:
Signal input from speaker output (connected in parallel to Sig. IN)
Bar mode enabled (Pin 9 connected to positive supply)
Adjustable sensitivity using onboard variable resistor
Low-cost solution for audio level indication
Intended Use:
Audio amplifier level monitoring
VU meter display for sound systems
DIY audio projects
Signal level visualization applications
