Reference: RBD-0161
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This compact stereo LED spectrum level indicator features dual 12-level channels, with 7 green, 2 orange, and 3 red LEDs for vivid music visualization. Each LED has an independent current-limiting resistor to ensure consistent brightness across different colors. The module supports adjustable rise/fall speeds, peak hold, and multiple display modes.
Equipped with automatic gain control (AGC), it adapts to various input levels and ensures accurate, dynamic audio visualization. The audio input is isolated with a TI op-amp to minimize MCU-induced interference.
This compact stereo LED spectrum level indicator features dual 12-level channels, with 7 green, 2 orange, and 3 red LEDs for vivid music visualization. Each LED has an independent current-limiting resistor to ensure consistent brightness across different colors. The module supports adjustable rise/fall speeds, peak hold, and multiple display modes.
Equipped with automatic gain control (AGC), it adapts to various input levels and ensures accurate, dynamic audio visualization. The audio input is isolated with a TI op-amp to minimize MCU-induced interference.
Factory reset is available by pressing and holding the button for 10 seconds, restoring optimal sensitivity settings. Data is auto-saved every 5 seconds, ensuring your adjustments persist.
Perfect for DIY audio projects, spectrum analyzers, and visual effects.
Ultra-compact size: PCB 80 × 14 mm; LED area 58 × 14 mm
Dual-channel (stereo) 12-level display
Color arrangement per channel: 7 Green, 2 Orange, 3 Red
Multiple display modes:
Bar display + falling peak
Bar display + disappearing peak
Bar display only
Right channel peak + falling effect
Bar display (3 lights mode)
Subtitle-style stripe + peak
Jump light with peak + bar combo
Adjustable settings: rise speed, fall speed, and peak hold time
Wide AGC range: adapts to different audio levels automatically
Op-amp isolated input: reduces high-frequency noise interference
Independent resistors for consistent LED brightness
Operating Voltage: 7V – 12V DC
Operating Current: ≥100mA
PCB Size: 80 × 14 mm
LED Area: 58 × 14 mm
Colors per channel: 7 × Green, 2 × Orange, 3 × Red
Input Pins:
LIN: Left channel input
RIN: Right channel input
SGND: Signal ground
PGND: Power ground
+12V: Positive DC input
Important Notes:
Do not exceed 12V DC supply.
Ensure correct polarity to prevent LED damage.
For minimal noise, use shielded audio cables.
1 × Dual-Channel 12-Bit LED Spectrum Music Level Indicator Module
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This compact stereo LED spectrum level indicator features dual 12-level channels, with 7 green, 2 orange, and 3 red LEDs for vivid music visualization. Each LED has an independent current-limiting resistor to ensure consistent brightness across different colors. The module supports adjustable rise/fall speeds, peak hold, and multiple display modes.
Equipped with automatic gain control (AGC), it adapts to various input levels and ensures accurate, dynamic audio visualization. The audio input is isolated with a TI op-amp to minimize MCU-induced interference.
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