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Mcu Adjustable Display Mode Led Vu Level Indicator Amplifier Audio 16 Led Dual Channel Audio Power Adapter Balance Modu

Mcu Adjustable Display Mode Led Vu Level Indicator Amplifier Audio 16 Led Dual Channel Audio Power Adapter Balance Modu

$23.95
2/7
description
product reviews 

pecification:
Type: Electric Level Indicator/16 LED Dual Channel
Color: Red, Green, Blue, White, Orange, Yellow, Pink(optional)
Max.Current: app.70mA
Power Voltage: DC 8V-12V
Signal Input Range: Min 300mV, Max 5V

Feature:
Two buttons S1 and S2, long press (more than 1 second)and Short press (less than 1 second greater than 0.2 seconds). Keys function is quite simple.
S1 in normal display mode,Adjust the intensity of the input signal. The cycle by clicking reduce the number of input signals,According to in the end will automatically return to the beginning. S1 in brightness adjustment mode, press the increase until the highest level og brightness.
S2 in normal display mode, used to select the pattern of the display, the same one click conversion cycle, Automatic Return to the last first. S2 in brightness adjustment mode, press the lower level until the lowest brightness. S2 in normal display mode, long press will enter the brightness adjustment mode, S2 in brightness adjustment mode, long press will saved and return to normal brightness display mode.

Note:
1 Can't use the AC power, don't take over the high voltage.
2 The Signal strength is not too high, the signal strength on the headphone jack on the general offer on it, don't take the power amplifier output signal is too strong, it may damage the circuit.
3 Audio signal 3 lines is label R L G, it is Right channel signals, left channel signals, the signal ground(that is the negative power supply circuit board)

Package Included:

1 * UV LED Indicator Amplifier Module



Working voltage: 3-5V

No filter circuit is needed, driving points, frequency spectrum indication and many other indicators.

The curing program supports 8*8 (8 rows and 8 columns) LED display;

Specially designed for audio equipment, widely used in various audio output equipment;

Professional audio decoding, display the frequency and amplitude of the audio signal;

Three display modes (fast flashing, slow flashing 1 and slow flashing 2) selection, providing a stunning visual experience;

Three sensitivity modes (high, medium, and low sensitivity) are selected to adapt to different power supply environments;

Audio automatic gain adjustment, always show the best visual effect;

The circuit design is simple, and the current limiting resistor is added to directly drive the LED.

With self-test mode


Button function description:

The "function button" pin is connected to a button, and there are three specific operations as follows:

1 Change the display mode (press and hold the button for less than 1.5 seconds)

This button is in the "ping-pong" working mode. Short pressing the button (press and hold the button for less than 1.5 seconds) will change the display mode once.

Slow flashing 1 type (display "S1"): In this mode, the display refresh rate is the slowest, and the visual perception is good.

Fast flashing (display "F"): In this mode, the display refresh rate is fast and dynamic.

Slow flash 2 type (display "S2"): In this mode, the display refresh rate is moderate.

The chip is reset and works in the "slow flash 2" mode. Short press the button once to change the mode.

2 Change the signal detection sensitivity mode (press and hold the button for more than 1.5 seconds)

This button is in "ping-pong" working mode. Long pressing the button (press and hold the button for more than 1.5 seconds) will change the sensitivity of signal detection once.

Lower sensitivity (display "L"): In this mode, it can filter weak interference signals and is insensitive to the clutter of the power supply.

Higher sensitivity (display "H"): In this mode, weaker audio signals can be detected, and it is sensitive to the clutter of the power supply.

Moderate sensitivity (display "M"): In this mode, the signal detection is sensitive, and there is no high requirement for the clutter of the power supply.

The chip is reset and works in the "moderate sensitivity" mode. Long press the button once to change the sensitivity mode once.

3 Enter test mode

First press and hold the button, power on, the chip automatically enters the test mode. In the test mode, you can test the brightness of the LED and the quality of the circuit.





2/7

Mcu Adjustable Display Mode Led Vu Level Indicator Amplifier Audio 16 Led Dual Channel Audio Power Adapter Balance Modu

$23.95
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