Audio LED indicator

Features

• Compact, slim design ideal for DIY enclosures and audio setups

• Real-time LED response with automatic gain control (AGC)

• Five dynamic display modes including peak and trail effects

• Electrically isolated audio input for high noise immunity

• Adjustable brightness (3 levels) and animation speed (6 levels)

• Individual resistors per LED for color-balanced brightness

• Auto-save feature retains settings after power-down

• Wide compatibility with audio systems and microcontrollers

Specifications

• LED Display Dimensions: 80 × 14 mm

• Main Control Board Dimensions: 58 × 14 mm

• Display Modes:

  1. Scrolling bar with peak trail

  2. Scrolling bar with disappearing peak

  3. Standard bar mode

  4. Single-LED active indicator

  5. Dual-LED peak marker

• Brightness Levels: 3-step adjustable

• Speed Settings: 6 levels

• Input Voltage: 7–12V DC

• Current Requirement: ≥100mA

• LED Colors: 7 Green, 2 Orange, 3 Red

• Audio Input: Electrically isolated to reduce noise

Applications

• Audio visualizer for DIY and custom stereo systems

• Decorative music-reactive lighting

• Sound level indicators in audio engineering setups

• Educational and electronics learning kits

• Visual sound meter for small venues or studios