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Tuesday, February 23 at
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Tuesday, February 23 at
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As you travel through the labyrinth of computing, at some point you will find it necessary to control the world, at least some small part of your world. In order to control something with your computer and get real world sensor data like temperature, movement, or alcohol on your breath in to a computer to make the calculations need involved massive custom interfaces to be designed and built. This input, output and decision making is known as physical computing. New tools called embedded controllers have made the task of building the real world interface straight forward and very accessible to the hobby computer world. Small microcontrollers from a number of manufactures are now available at low cost and in a form that make hobby and experimental use practical.
One series of board level prototyping systems is the open-source Arduino. The Arduino boards are based on a ATmel ATmegaAVR microcontroller. The Arduino began in Ivrea, Italy in 2005 as a aid in building student projects. The version of the board we will be using is an Arduino Duemilanove, 2009 in Italian. Based on the Atmega 168 chip this board everything needed to build a physical world interface. To help us control the world the Ardunio Programming Language provides a "C" based tool for generating code for the Arduino system. This programming environment provides a system to download to the arduinio via a USB port and to monitor output from the Arduino board.
The ATmega 168 / Arduino boards are small free-standing computers with multiple Input and Output ( I/O ) ports. The Arduinio 2009 has an onboard power regulator that can be powered by the USB or a remote source. The system has 14 digital input/output pins, 6 have pulse with modulation (PWM), 6 analog inputs, and serial data I/O. The chip also has EEPROM, RAM, and Flash ROM to hold the user programs and data.
All this power on a $30.00 board is ready to take control of the world, or control the temperature of your beer.
Facility is wheelchair accessible.
RTA route 19 runs travels Brandt past Fishburg, one block from the building.
Plenty of free parking is available at the facility.
HHAF Hall is one block West of Brandt Pike, just beyond the Huber Heights Post Office.
From I-70, take Brandt Pike (201) South to Fishburg.
From I-75, take Needmore East, then North on Brandt Pike(201) to Fishburg.
From Rte 35, take Woodman Drive North, then Right on Brandt Pike(201) to Fishburg. For your convenience, here's a Google map of 5367 Fishburg Road.
After the meeting, we'll enjoy food, beverages, and conversation at C's Pizza, 5186 Brandt Pike, Huber Heights. From the meeting, go east on Fishburg about 0.2 miles to Brandt Pike, then south on Brandt about 0.8 miles to Ci's Pizza.
Dave Lundy, Editor pro tem
The DataBus
editor@dma.org
Check out previous
DMA meetings.
DMA membership application
Request info about DMA or
call (937) 222-4DMA (222-4362) for more info about DMA.
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