Introduction: MP3 Speaker in 10 Minutes
Step 1: Stuff You Need
Step 2: Start Working
Open the Speaker from the power supply side.
Connect wires to the voltage regulator.
Insulate the regulator and wires with tape.
Find the 9 Volts DC coming from the rectifier circuit after the transformer , diodes and capacitors. This should be the input of the regulator.
Find the ground of the circuit. This will be connected to the ground terminal of the regulator and the negative terminal of the USB connector.
Weld the wire connected to the input terminal of the regulator with the 9 Volts point you found earlier.
Weld the wire connected to the regulator Ground to the Ground point you found earlier.
Step 3: Mount the USB Connector
Now , drill a hole in the speaker plastic wall and let the USB connector wire pass though it.
Make a knot in the USB wire so it cannot get out of the speaker.
Weld the USB wire to the points :
+ve of the USB to the output of the regulator.
-ve of the USB to the Ground of the regulator.
Step 4: Close the Speaker and Use the MP3
Now , close the speaker , put some MP3 files on the MP3 player and start using your new device.
Thank you for reading my instructable.
Do you like audio books and want to learn something new on the Go ?
This instructable is brought to you by Audible, the famous Audio Books Platform. You can now listen to free Audio Books from Audible.
Wish you the best. And have fun ,Live free And Read Books on Amazon
You can also find my book Learn By Making on Amazon website.
If you like this instructable you can support us by many ways:
1. Leave comments stating your point of view about this article.
2. Buy our book on Amazon Learn By Making.
3. Click on links of our sponsors without adding any extra cost on you if you make purchase from them. Actually, many of these offers are totally free. This means that you can enjoy something for free and still support our blog to keep posting useful stuff.
This is the well-know Amazon Kindle platform. If you sign up for the free reader from Amazon to read any book, we get commission. There are many useful book for free on Amazon Kindle. Even you can find best sellers offered for free on Kindle format. The best part is you can have the application on any platform. You can even read any book without installing any application by using Amazon Cloud-Reader on your browser.
You can join Amazon Kindle for 30 days free to have access to many paid book for free. You can cancel you subscription anytime.
The Amazon Prime is a special paid service from Amazon that offers good promotions and one-day free shipment for Amazon Shoppers. You can try this service for 30 days. You can cancel you subscription anytime.
Audible is the audio books website from Amazon. Many Kindle books are sold on Audible. You can try this service for free and get 2 free book. You can cancel you subscription anytime.
If you have a new baby borne or expecting one, you can create your free baby registry to easily save products and get offers and promotions on baby requirements.
4. Visit our new website outatime.tech.
Thank you for visiting our instructable.
Here are some of my latest books on Amazon.
We have a be nice policy.
Please be positive and constructive.