
Overview
- 5-point logarithmic LED indicator for clear audio signal representation.
- Constant current output for reliable performance.
- Wide operating voltage range from 3.5V to 12V, making it versatile for different power sources.
- Adjustable brightness amplitude for customizing the LED display to your environment.
- Includes a KA2284 level indicator for precise signal amplification.
- No additional diode or transistor connections needed due to the advanced ALC circuit.
- Durable military-grade 1.6mm FR4 circuit board ensures long-lasting performance.
In the box
14 parts in total
- ×22P connectors
- ×1PCB (Printed Circuit Board)
- ×1KA2284 IC
- ×1100Ω resistor
- ×1100K resistor
- ×110uF capacitor
- ×12.2uF capacitor
- ×45MM green LED lights
- ×15MM red LED light
- ×1103 potentiometer
How to use
5 steps
- 1
Ensure proper resistance value placement as indicated on the circuit board.
- 2
Pay attention to the polarity when connecting electrolytic capacitors and LEDs.
- 3
Use the appropriate welding temperature to avoid damaging the LEDs.
- 4
Connect the KA2284 chip in the proper orientation with the text facing the LEDs.
- 5
Ensure independent power supply (DC 3.5V-12V) to the circuit.
Description
Why Use This Kit?
This kit is ideal for anyone needing real-time audio monitoring through LED indicators. Whether you're building custom audio setups, troubleshooting sound systems, or learning the basics of electronics, this kit provides clear, visual feedback of sound levels. The LED array helps you track the intensity of your audio signal, lighting up more LEDs as the signal gets stronger.
When to Use
This LED Audio Level Indicator Kit is ideal for use in various audio applications, including signal detection, speaker performance monitoring, and sound equipment testing. It’s also a useful tool for DIY electronics projects where audio signal visualisation is required.





