Saturday, May 10, 2014
Final: LAB Time Machine Communicator v2.0
Hey there!
I had a great time taking this class. I've documented my process and have a video of the LAB Time Machine here:
You can find the process documentation PDF here:
https://dl.dropboxusercontent.com/u/5434977/CMU/HAPTICS/LAB/LAB%20Time%20Machine.pdf
I had a great time taking this class. I've documented my process and have a video of the LAB Time Machine here:
You can find the process documentation PDF here:
https://dl.dropboxusercontent.com/u/5434977/CMU/HAPTICS/LAB/LAB%20Time%20Machine.pdf
Thursday, April 17, 2014
Etching PCBs and folding plastic
Hey guys,
I came across some interesting rapid prototyping techniques that might be useful.
The first is a technique to etch PCBs with a laser cutter. The process basically involves spray painting the surface of a copper board with black paint, and then burning away the copper with a laser cutter. The first tutorial talks about creating a jig for alignment so you can etch double-sided boards!
More info at these links:
http://hackedgadgets.com/2014/04/05/pcbs-made-using-a-laser-cutter-2/#section5
http://www.instructables.com/id/Custom-PCB-Prototyping-using-a-Laser-Cutter/
This technique involves defocusing the laser cutter to distribute the heat and get the acrylic to fold. This allows for fully finished prototypes without assembly. This is going to be a commercial product, but they explain the details on how it's accomplished. Their software does all the hard work, but this should be able to be done manually with some experimentation.
I came across some interesting rapid prototyping techniques that might be useful.
Laser Cut PCBs
The first is a technique to etch PCBs with a laser cutter. The process basically involves spray painting the surface of a copper board with black paint, and then burning away the copper with a laser cutter. The first tutorial talks about creating a jig for alignment so you can etch double-sided boards!
More info at these links:
http://hackedgadgets.com/2014/04/05/pcbs-made-using-a-laser-cutter-2/#section5
http://www.instructables.com/id/Custom-PCB-Prototyping-using-a-Laser-Cutter/
Folding Acrylic with a Laser Cutter
This technique involves defocusing the laser cutter to distribute the heat and get the acrylic to fold. This allows for fully finished prototypes without assembly. This is going to be a commercial product, but they explain the details on how it's accomplished. Their software does all the hard work, but this should be able to be done manually with some experimentation.
Thursday, April 10, 2014
Tuesday, April 8, 2014
Wireless ? Power ?
Without taking the time to verify this, I think this system uses radio to recharge the LED banks. There is more on the technology HERE.
Wireless power!
I came across this while looking into wireless charging and communication. Apparently wireless charging has been standardized into something called Qi. Here's a video of it in action inside of a Samsung Galaxy S3:
Apparently the base station is compatible with any Qi-compatible charging pads. These pads usually go into phones, but they just provide 5v 1000mah through two pins that can be used for anything from an Arduino to a Raspberry Pi.
Purchased here:
http://www.ebay.com/itm/171247671256?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
Apparently the base station is compatible with any Qi-compatible charging pads. These pads usually go into phones, but they just provide 5v 1000mah through two pins that can be used for anything from an Arduino to a Raspberry Pi.
Purchased here:
http://www.ebay.com/itm/171247671256?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
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