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Published on: September 14, 2013 / Comments: None

Turning a DIY Calculator into an IP Subnet calculator

While not the most far fetched idea to turn a calculator into another calculator, it can still pretty useful with a specific purpose.  If you deal with lots of networking equipment day to day, then you probably need to calculate available IP ranges using a IP subnet calculator.  A subnet calculator takes the bitmask from the netmask and displays the IP range that confirms to that netmask.

Spikenzie Labs makes a DIY calculator kit that comes complete with source code.  Having the need to calculate subnet masks from day to day the author decided to modify the original calculator firmware to support IP subnet calculation.  The method of entering the subnet masks is a little odd because of the limited screen availability but once you have it down it’s pretty handy.

Here’s the modified sketch if you want to try it out, and the original article on aBrainDump.

Published on: September 4, 2013 / Comments: 1

Extending an Arduino security alarm to the ChromeCast

Leon decided to make his own motion activated alarm using an Arduino and a PIR sensor.  When the device is armed, when the PIR sensor detections motion it lights an LED.  Ok.  The interesting part here is he decided to add an ethernet shield to his Arduino and wrote some code to tell his Google ChromeCast to play a youtube video of an alarm.

So far I haven’t seen too many ChromeCast hacks that use an Arduino, hopefully this will inspire more.

Leon has put his Arduino sketch up on github for you right here.

Published on: September 3, 2013 / Comments: 1

SNESoIP puts your controller on the net

The project it currently in its early stage, but fully functional and could be used to play multiplayer games over the Internet.
The sheer fact that people seem to spend a great deal of time modernizing vintage consoles tells you one thing, that retro gaming is awesome.  The SNESoIP project is not a full solution for playing SNES games (on a real console I might add, not an emulator) over the internet, but it is a start.

The concept here is to basically move the controllers to a packet format that can be manipulated over networking.  On the hardware side, it’s basically a box with an ethernet cable and a SNES controller jack.  It looks like the processor is an ATmega8 with an enc28j60 for ethernet (which was mentioned earlier as a cheap Arduino solution).

The project is open source, has source code, schematic, and pcb files here on github.

Published on: September 2, 2013 / Comments: 1

Meet the Arduino YUN

Hitting shelves in a few days is the latest in the Arduino family, the Arduino YUN.  The Arduino blog is going to be running a few articles explaining all the features of the YUN.  They kicking it off with an overview of the hardware.

The YUN starts off with the standard Arduino footprint, and borrows the ATMega32U4 from the Leonardo.  Then adds a new processor the Atheros AR9331 and 64MB of RAM.  The Atheros is running a lightweight linux port based off of the OpenWRT branch.  The YUN has both Ethernet, and WI-FI and a microSD slot.

We’ve seen hybrids like this before, but I can’t say any of them really took off.  It’s a good combo in my opinion.  It’s difficult to facilitate super low power and real-time processing with the Linux based boards, but it’s difficult to do things like run Python and OpenCV on microcontrollers.  By mixing the two together you potentially have a platform that could tackle most tasks.  We look forward to seeing what people make with the YUN in the future.

Check out all the details over at the Arduino blog.

Published on: August 28, 2013 / Comments: 1

DIY home automation with Souliss

[su_quote]… it runs over AVRs microcontrollers and include all the libraries and drivers required for a complete a distributed intelligent network, it also includes an Android user interface.[/su_quote]Ever wanted to make your home smarter ?  Or just remotely control basically everything in your home ?  Souliss is here to help.  It’s a framework for DIY home automation.

What I like about Souliss versus having used traditional home automation hardware (like Z-Wave) is you aren’t restricted to what modules are available.  You can craft your own using a lot of familiar hardware like Arduino’s (and I’m sure Raspberry Pi’s in the future).  It’s not restricted to specific methods of communication either, you can do wired or wireless or wi-fi or serial or whatever you can use to get your devices to communicate.  Great project!



Published on: August 21, 2013 / Comments: 1

Connect your Arduino to the internet for about 10 bucks

While not as convenient as wireless to your Arduino, sometimes good ol’ ethernet is the way to go.  These cheap enc28J60 modules can be found on ebay for a lot less then a shield will run you.  The enc28j60 uses SPI to communicate.  So after connecting the pins in the right places, and using some of the libraries from the Ethernet shield you’ll be up and running in no time.

I don’t think that I really need to mention the possible applications here, as they are endless!  But I would be wary of your data rate, I don’t think you’ll be streaming 1080p video over this thing but it is good enough to control stuff / send images and sensor data.

Read the article for more including a demo sketch.