Since the dawn of the smartphone, people have been cobbling together DIY speakers to enhance their ... or a custom-built wooden phone amplifier, all of these passive acoustic radiators—as ...

How to Make a Speaker Amplifier from Cardboard for Phone Bill Clinton on opposing President Trump's agenda: "We cannot throw the legacy of this country away" Explaining What Will Happen to 'Inside ...

The most common variation on the smartphone DIY amp is to place it in some sort ... Windows XP installed on it and no music player. This cardboard construction was my solution.

With $200 in parts and some soldering skill, anyone can build what may be the world’s first DIY cell phone. There’s no ... have created their own from cardboard and 3-D-printed plastic.

Tim Heath and Ryan Hickman have ingeniously created an inexpensive robotic prototyping environment using an Android phone, cardboard from the trash, and around $20 worth of components. This ...