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+# TeleScience
+
+This is an expansion board for [TeleMetrum](../TeleMetrum/) intended to
+support science projects. It provides 12 analog inputs with selectable
+thermistor support, and 5 general purpose I/O pins. This board can also
+be used standalone as a USB I/O device.
+
+## Motivation ##
+
+Bdale's son Robert is interested in mapping the temperatures experienced
+by nose cones and fins in flights beyond Mach 1, and we're working with
+our good friend Jeff Lane from
+[Shockwave Rocketry](http://www.shockwaverocketry.com/)
+to instrument one or more of his nose cones in pursuit of that goal. And
+it's easy for us to imagine other experiments that would be facilitated by
+having generic analog data inputs and a few control lines.
+
+## Features ##
+
+### User View ###
+
+* Small circuit board mounted near [TeleMetrum](../TeleMetrum/)
+* Requires [TeleMetrum](../TeleMetrum/) v0.2 or later, as v0.1 does not
+ have the required companion board interface
+* 12 analog input channels, each of which can independently be configured
+ for an NTC thermistor or generic 0-3.3 volt analog input.
+* 5 general purpose I/O lines
+* On-board flash memory for data logging.
+* USB interface for programming and development
+
+### Developer View ###
+
+* Hardware Features
+ * [Atmel ATmega32U4](http://www.atmel.com/dyn/products/product_card.asp?category_id=163&family_id=607&subfamily_id=760&part_id=4317) Microcontroller
+ * 32k Flash
+ * 2.5k + 832 bytes SRAM
+ * 1k EEPROM
+ * 12-channel 10-bit ADC
+ * SPI target interface
+ * USB interface which can be used for programming
+ * In-system programming interface
+ * [Winbond W25Q16](http://www.winbond.com/NR/exeres/A3D21C82-A0B6-4586-A770-2F0883A805FF.htm) serial flash memory
+ * 2M x 8
+ * SPI interface
+* Software Features (planned)
+ * programmed in C using gcc-avr
+ * Runs from on-chip flash, uses on-chip RAM
+* Tools Used
+ * [gEDA](http://www.gpleda.org/) for schematic capture and PCB layout
+* Licenses
+ * The hardware is licensed under the [TAPR](http://www.tapr.org) [Open Hardware License](http://www.tapr.org/ohl.html)
+ * The software is licensed [GPL version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
+
+## Artifacts ##
+
+A schematic exists on [git.gag.com](http://git.gag.com) in the project
+[hw/telescience](http://git.gag.com/?p=hw/telescience;a=summary),
+but no prototypes have been built yet.
+
+## Future Plans ##
+
+We currently plan to build prototypes of TeleScience in Spring 2011.
+