E37 MicroController based Multimode Audio Level Indicator

Features:

It is a latest technology Micro Controller based Multimode Programmable Audio Level Indicator board that can be used to display different patterns with 32 onboard bright LEDs. You can program it to change the pattern style, LED brightness & the level of Audio signal. Its really a fun to entire family.

Do check the working of this module at the following Youtube link.

https://www.youtube.com/watch?v=j6A4oolssTg

(copy & paste the link to you browser address bar) 

Specifications:
Input Voltage: DC 8V - 12V

Maximum Current: 70mA
Input Signal Level: 300mV to 5V
Programmable: YES, through S1 & S2

Audio Input Mode: Dual Channel (Stereo)

LED Colour: Bright Green

Total LEDs: 32 (16 for each channel)

Size: 50mm x 110mm
 

Installation instructions:

Do not connect directly to AC 220V Power Line. Maximum Input voltage is 12V DC.

Make sure the input audio level is not too high as that may damage the circuit.

Signal from preamp output stage or headphone jack or AUX port is enough to drive this module.

Do not connect signal line to Power Amplifier output stage.

Programming procedure:
There are two programming buttons on the module viz., S1 and S2.

In normal mode, short press (for less than a second) S1 to change the Audio input level.

In normal mode, short press S2 to change between different display patterns.

In normal mode, long press (for more than 1 second) S2 to change mode to LED brightness level. Than short Press S1 to increase and S2 to decrease the brightness. Long press S2 again to return to normal mode.

Package includes:
Audio Level Indicator Module

*Remarks: Brand New item comes wrapped safely in bubble sheet.