View allAll Photos Tagged bargraph
just a proof of concept, really; but in development is support for a simple 'get/set' serial protocol to manage the volume control/preamp system.
in this test, I installed apache on a linux box and connected the linux system to the arduino via the very standard FTDI usb/serial cable. the arduino runs some serial i/o code that responds to requests from the host (the linux webserver). when the user connects to this CGI, it takes the volume up/down request (the arrow keypad) and sends that change request to the arduino, waits for its reply and then dynamically recreates the LCD display in a 'real view' fashion. even the bargraph is true to life.
from any room in the house, you can now vary the volume and address as many of these units as you have /dev/ttyUSB cables for ;)
(note: the colors are actually RGB values for foreground and background and are really stored ON the device! when the management station queries the device, it gets its 'name', its 'location' (8 byte strings) and also the fg/bg colors that the user entered at config time. the web GUI then uses that to draw the LCD colors. it makes it very easy to know, at a glance, which unit you are really talking to.)
the hardware that is running this:
www.flickr.com/photos/linux-works/5550880717/
its called an LCDuino-1 and its an arduino-based audio controller for DIY use. more info on the project: www.amb.org/forum/lcduino-1-display-i-o-processor-f21/
In doing some research on a soldier I came across this graph. It's really striking. It stunned me actually. The total casualties from WWII is almost 73 million people. That's a number that's so high it's incomprehensible. I used to think the holocaust was a lot of people, and don't get me wrong it is. But the overarching figures involved in world conflict even put that to shame, showing the true damages involved.
If you note that the blue line represents the percentage of that countrie's 1939 population that was killed by 1945 it becomes clear that certain countries were ravaged considerably.
eALCHEMY creates custom automated software systems for turning data into meaningful reports and analysis. They help businesses get the most out of sales data, social media data, web traffic data, and many other sources of large sets of data. The result is effective and powerful data analysis tools that are customized for each business.
This concept shows bits of data coming together and being transformed into a bar graph. The bar graph is in the form of an E and also suggests lines of computer code, spreadsheet entries and stacks of money. The text is custom from scratch.
This huge spike in my gas usage (and the corresondingly large bill) alarmed me at first. Then I called Entergy and realized I haven't paid a bill or had an actual meter reading since August 2005, because of Katrina. So the February reading actually reflects our cumulative usage since then.
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Spending Money to Win Money? The Fees of Design Competitions
Whats the point of design competitions costing so damn much? Is it to keep the small guys out or just to keep the competition going?
bryanconnor.com/2009/05/spending-money-to-win-money-the-f...
each port expander (PE) has its own debug bargraph led chip (right). to latch the relay, write 'x' and 'binary-invert-x' to the 2 PE's. each relay will then be clicked into the '0' or '1' position.
NB: this is not what the final product will look like (lol). it is very handy to be able to see the byte values of the PE chips and so I soldered the display chips directly to the back of the board. not recommended as a general soldering technique but it does seem to work ;)