DIY Bluetooth Music Spectrum Home Stereo Speaker

by ICStation in Circuits > Electronics

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DIY Bluetooth Music Spectrum Home Stereo Speaker

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Introduction:

LED Spectrum Bluetooth 5.0 Audio Speaker DIY Kit with remote control.

Designed with 8*12 LED matrix music spectrum display in Yellow/Green/Red/Blue.

It can play music form Bluetooth, TF Card, U-disk with 4ohm 2in speakers.

【Bluetooth Amplifier DIY Kit】: The Soldering Project DIY Kits are used to installed to an electronic transparent stereo speaker with high-power speakers, beautiful music Spectrum and transparent Acrylic shell.

【Great Electronic Soldering Project】: Great School Science Project kit for soldering practice and also suitable for family education. Not only to improve your soldering skills, you will also will be more familiar with electronic components and learn more interesting electronics things. But please note, this soldering kit requires certain foundation of basic electronic theoretical knowledge and welding and hands-on ability.

【Functions & Features】: Colorful music spectrum, cool lighting effects while listening to music, visual and auditory enjoyment. Two control methods, Bluetooth connection or infrared remote control. Bluetooth Operation: turn on the Bluetooth of the mobile phone, find "HJ-MZ" and click connect. After disconnecting Bluetooth, it will automatically switch to TF card or U disk.

Parameter

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Work Voltage:DC 3.7V-5V

Bluetooth Distance:15meters (Max)

Amplifier Power: 3W*2

Music Source: Bluetooth/U-disk/TF Card

Control Type: Bluetooth/Remote Controller/On Board Button

Installation Steps: Start With SMD 0805 LEDs

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Step 1: Identify the positive and negative poles of LED and pad.

It is negative if there is a green mark on LED front. It is negative where the green mark pointing to on LED back. It is negative where the white mark “>” pointing to on PCB.

Step 2: Tinplate all negative pads for LED installation.

Step 3: Install 24pcs SMD 0805 Yellow LED at the 1st/5th/9th column on black PCB.

Step 4: Install 24pcs SMD 0805 Green LED at the 2nd/6th/10th column on black PCB.

Step 5: Install 24pcs SMD 0805 Red LED at the 3rd/7th/11th column on black PCB.

Step 6: Install 24pcs SMD 0805 Blue LED at the 4th/8th/12th column on black PCB.

(Please distinguish between positive and negative)

Install Capacitors and Resistor

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Step 7: Install 1pcs IC LQFP44G STC12C5A60S2 at U1. There is a small dot on one corner of IC. This dot corresponds to corner, which is not a right angle on silk screen printing, where the IC can place on.

Step 8: Install 3pcs 30pF SMD 0805 Capacitor at C3-C5.

Step 9: Install 1pcs 0.1uF 104 SMD 0805 Capacitor at C2.

Step 10: Install 1pcs 12MHz Crystal Oscillator at Y.

Step 11: Install 1pcs 100uF SMD Aluminum Electrolytic Capacitor at C1. Note: the right angle of capacitor base corresponds to the right angle of silk screen printing.

Step 12: Install 8pcs 510ohm SMD 0805 Resistor at R2-R9. Note: LED spectrum board has been installed and other components do not need to be installed.

Install Wires

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Step 13: Know Bluetooth audio controller: Interface function introduction.

Step 14: Know Bluetooth audio controller: Wiring diagram.

Step 15: Install 2pcs 15cm 2Pin PH2.0 Wire on 2pcs 4ohm 3W Speaker.The speakers does not need to distinguish between positive and negative poles.

Step 16: Install 3pcs 10cm Black Wire to 5V/GND/L-out on Bluetooth audio controller. These three wires are used to connect Bluetooth audio controller and LED spectrum board.

Step 17: Connect three wires to LED spectrum board. Note: 5V and GND connect to 5V and GND on LED board; L-out connects to M on LED board.

Step 18: Find the power supply acrylic panel and remove the protective film from the surface

Fix Power Socket and Switch

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Step 19: Fix 1pcs DC-022 Power Socket by the biggest nut on acrylic panel.

Step 20: Fix 1pcs Black Switch on acrylic panel. Pay attention to the buckle on the switch, which can be fixed by itself.Pay attention to the installation direction.

Step 21: Cut about 3cm red wire to connect DC-022 Power Socket and Black Switch.Pay attention to their pin selection and can not choose to connect other pins.

Step 22: Connect 1pcs 15cm 2Pin PH2.0 Wire to DC-022 and Switch. The red wire connect to Black Switch and the black wire connect to DC-022 Power Socket.

Fix Audio Controller and Speaker

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Step 23: Fix Bluetooth audio controller on acrylic panel by 2pcs M3*10mm Screw and 2pcs M3 Nut.

Step 24: Fix speaker on the other two are smaller acrylic panel by 8pcs M3*10mm Screw and 8pcs M3 Nut.

Step 25: Fix LED spectrum board on acrylic panel by 2pcs M3*10mm Screw and 2pcs M3 Nut

Step 26: Connect 1pcs power wire to red socket and 2pcs speaker wires to white sockets.

Step 27: Assemble 6pcs acrylic panels by 12pcs M2*10mm Screw and 12pcs M2 Nut.Please be patient when installing the screws.

Step 28: Connect to power supply and enjoy the effect. Note Please provide sufficient working current. It is recommended to use a 5V 2A power supply.

Done! Pictures to Show Effect

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Video to Show Effect

DIY Bluetooth Music Spectrum Speaker Kit with Remote Control

Finally you get a completed home bluetooth speaker.

If you want to have a try, click here to get this Bluetooth Music Spectrum Speaker Kit from us ^0^

By the way, ICStation 8th #Anniversary Begins!!! Welcome to the birthday party: 35% off sitewide! Round 1 lasts by May 25th. Thanks for your orders and support of ICStation!