16-Level LED Music Spectrum Audio Level Indicator Music Display DIY Kits Unfinished AK1616

16-Level LED Music Spectrum Audio Level Indicator Music Display DIY Kits Unfinished AK1616  

Features:
- Super wide LED display module.
- Supporting 32Hz-20KHz high-precision frequency sweep, it displays in the range of 10Hz-20KHz
- With software algorithm, the frequency is settable in a reasonable range
- Display Flip Function: 16-level brightness to meet your various needs
- The main landing speed of spectrum, the holding time of peak lamp, and the descent speed of peak lamp can be adjusted separately
- Smooth and bottomless display mode and excellent AGC processing make the signal displayed richer
- Professional constant current driver chip with blanking performance
- Its main board has been tested; Users just need to weld the indicator board

Specifications:
- PCB Size: 176 x 50mm
- LED Module Size: 167 x 41mm
- Independent Power Supply: DC 5V, no less than 600mA
- Can be charged by USB charger 5V/1A of your mobile phone

AK1616 Operating Instructions:
Normal mode:
1. Single click
UP - Mode change
DOWN - Mode change
2. Double-click
OK - Switching between real and smooth output
3. Three-click
OK - Bottom display or no.
4. Composite key
UP+DOWN -1Second，Display flip function, after the
flip, the UP and DOWN button functions corresponding to
exchange.
UP+DOWN+OK -2 Seconds，Enter the screen self-test
program, press the OK button 2 seconds to exit.
5. Long press button
UP - Brightness increase.
DOWN - Brightness reduction.
 
Speed Setting Mode: (In normal mode, press the button for 2
seconds to enter, press the button for 2 seconds to exit) .
OK -
a. The falling speed of the light bar (15 optional)
b. The holding time of the peak (15 optional)
c. The falling speed of the peak (15 optional)
d. Output selection (Real output / smooth output)
Loop in these functions.
UP - Time increases, Speed decreases
DOWN - Time decreases, Speed increase
Other function operation：
Factory default
OK -10 Seconds.

Package Included:
- 1 x 16-Level LED Music Spectrum Audio Level Indicator Kit (Unfinished)
- 1 x Power Cable
- 1 x Audio Cable with Plug

Note:
- Please not connect it reversely.
- It should be powered by independent power supply DC 5V.
- Please connect it to front-end audio signals instead of output port of power. For example, it can be connected to 3.5mm headphones. The volume should be over 80% of your device and adjusted through power amplifier or active speakers instead of playing devices.
- Please contact us for user manual after purchasing.  
- It is not suitable for starters.