For some ungodly reason, [Scott] has a friend that wanted a ‘sexting themed’ Halloween costume. We won’t try to make any presumptions of the creativity or mental stability of [Scott]’s friend, but the SMS scrolling LED belt buckle he came up with is pretty cool.
The belt is based around a $13 scrolling LED belt buckle [Scott] found online. There was a problem with the belt buckle, though. Thirteen dollars means [Scott] didn’t get a whole lot of features with his buckle, so there are only 3 buttons on the entire device: letter up, letter down, and enter. Instead of pressing a button 80 times to get a lowercase ‘z,’ an Arduino was thrown into the mix to take care of all the button pressing.
The Arduino sketch could now input any message into the belt buckle in a matter of seconds. All that was left to do is taking care of the SMS to text part of the build. For this, [Scott] used the Sparkfun USB Host Shield and a custom Android app. Whenever an SMS is received on the phone, the message is sent through the USB shield to the Arduino and output on the belt buckle.
We won’t make any assumptions about the content of the messages during the Halloween party, but at least the video demo of the build is family friendly. Check it out after the break.
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While he was organizing a party, [Mike Seese] hit upon the idea of chatroom that would operate over SMS. Not being content with the ‘reply all’ function, [Mike] built a Group Messaging Service that runs on his home server.
The chat room is initiated by sending a text to a server. Your friends then reply, and the chatroom is then opened. The project was written in C++, and [Mike] put everything on github for your perusal. The software does use libraries from /n software’s IP*Works, but if you have any trouble obtaining those libraries feel free to drop [Mike] a line.
The great thing about this project is the fact that it’s platform independent – as long as a phone can do SMS, it’ll work. Seems like a great thing for those of us still using the old Nokia ‘bar’ phones. An SMS chatroom has been done before but this is the first time we’ve seen a build that will run off your server, and not internet-based services.
While it may not be the best idea for people without unlimited texts on their phone plan, it’s a really great idea and we’re wondering why something like this isn’t available via Google Voice.
[GuySoft] threw together a cellphone-based SMS gateway that allows him to push text messages to Twitter. Once up and running, it can be used by multiple people, either with shared or individual Twitter accounts. At its core, this setup uses the cellphone as a tethered modem on a Linux box. The open source software package, Gammu SMSD, provides hardware hooks for phones running in modem mode. The package is already in the Ubuntu repositories but it runs cross-platform and can be downloaded from the project site. This gave [GuySoft] the ability to script a framework that checks for received SMS messages, compares the incoming phone number for a match on a saved list, then pushes the message from a confirmed number to Twitter via their API.
A web interface is used to register new numbers and associate them with Twitter accounts. On the back-end, [GuySoft’s] own Python script handles the translation of the message. You can download all of the code, and get more insight on setup from the readme file, over at the GitHub repository.