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Features ： Melody audible, visual music! Five-point LED audio level indicator kit This package LED indication logarithmic 5:00 KA2284 integrated circuits as the core, which is characterized as follows: 1. Constant current output 2. a wide operating voltage (3.5V--12V) 3. The ALC circuit without telescoped diode or transistor 4. Brightness level in amplitude can be adjusted 5.Chips : KA2284 6.PCB BoardSize : 40X19mm
On 12-May-21 at 06:47:17 EDT, seller added the following information: