Showing posts with label electronics. Show all posts
Showing posts with label electronics. Show all posts

Weekend project: Bluetooth Radio

Perhaps you may have seen these bluetooth powered speakers popping up around. Well, I had an old bluetooth headset that was sitting in my 'junk electronics' drawer, and I thought it would be fun to turn it into the receiving end of a bluetooth speaker system for the house. You may need an app such as btmono to play music to a mono (as opposed to stereo) headset.

The parts we'll need. Headset, audio jack, and splitter.

After trying to remove the case for an hour,
it was simpler to dremel off the speaker section
and get at the wires that way.

Testing it out with the audio jack.

Finally, I've hot-glued everything in. I would recommend
hot-gluing over the exposed leads so you don't get
speaker pop when plugging in the speakers.

Weekend Project - Photopopper

One of the current geek things to do is see what you can fit in an altoids tin. One of my friends had a similar tin that I was playing with awhile ago. He saw me playing around with it and challenged me to come up with something.

Well I've failed. It doesn't fit in the tin.

But it was still great fun to work on! And it's the perfect weekend project.
So what am I talking about? It's Solarbotics BEAM photopopper photovore. That's a mouthful, so let's break it down; it's a robot that follows the light. I got the design from the Solarbotics page, where you can buy a kit from them, although I just purchased the components on my own, as I wanted to fit them in the tin. 

Here's the picto-breakdown - scroll all the way to the bottom for a video!

It's best to build the circuit on a prototyping board to
make sure everything works. If not, it's easy to fix here.

Once it's working, you can solider it together.

Finally, we use some double-sided tape to attach the shell.


The tabasco robot! It's hard shell protects
it from many natural predators.