Amplifier - marker column
External speakers, USB speakers and speakerphones and headsets are now conquering the market for electronic devices. An inexperienced consumer may find it difficult to understand all these new products. Sometimes it turns out that most of them are unclaimed, because every gadget we choose for themselves and their needs. And the more valuable our choice, if we are offered to make such a device with our own hands. Today we want to present you a powerful external column made from a simple marker. And this is not a typo, we really will give a second life to a dried up and unnecessary marker, which is usually thrown out because it does not already write! The miracle of technology will be small, but loud enough, and will provide worthy sounding of your favorite tunes, clips or movies directly from your smartphone. This gadget is also convenient because it is as easy to use as possible and does not require any additional software. It is enough to connect it to the headphone jack on your smartphone and activate the work with the usual button-switch.And how to make this device with your own hands, we will tell you now.
The necessary elements for a homemade columnMost of the electronic parts for small gadgets like this are taken today at the Chinese site Aliexpress. Our device is also no exception, so the author used a suitable tool for its manufacture:
- A small soldering iron for soldering small printed circuit boards and parts;
- Precision conical drill bit;
- Technical drill with abrasive nozzles.
Getting to the production of a wonderful speaker for a smartphoneFirst you need to prepare the main component of our device - a marker. Its body is gutted from the filling. Cut the neck with a knife , and ream the entrance hole with a drill under the 3.5 mm plug. We leave the lid and cap of the marker, we will also need them.
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