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[web/altusmetrum] / TeleTerra / index.mdwn

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+[[!meta title="TeleTerra"]]
 # TeleTerra
 
-This is a hand-held ground station for [TeleMetrum](../TeleMetrum/).
+TeleTerra is a hand-held ground station for [TeleMetrum](../TeleMetrum/).  
+
+These are photos of our first cut prototype hardware:
+
+<a href="v0.1/teleterra-v0.1-uiside.jpg"> <img src="v0.1/teleterra-v0.1-uiside-thumb.jpg"></a>
+<a href="v0.1/teleterra-v0.1-smtside.jpg"> <img src="v0.1/teleterra-v0.1-smtside-thumb.jpg"></a>
 
 ## Motivation ##
 
 While using a [TeleDongle](../TeleDongle/) board as a USB to RF interface to 
-a notebook computer works splendidly, we think it would be cool to have a 
+a notebook computer works splendidly, we thought it would be cool to have a 
 nice hand-held ground station we can use in full sunlight on the flight line.
 If it can help locate the rocket and is
 easy to carry during recovery operations, so much the better!
@@ -14,12 +20,15 @@ easy to carry during recovery operations, so much the better!
 
 ### User View ###
 
-* Hand-held unit about the size of a calculator with 4 line 20 character LCD
-* Antenna for the telemetry stream from [TeleMetrum](../TeleMetrum/)
-* Integrated GPS receiver core to allow display of current user position,
-and relative position of GPS-equipped rockets
+* Hand-held unit about the size of a calculator 
+* 4 line by 20 character text LCD
+* "joyswitch" for user input (up, down, left, right, push)
+* Antenna connector for the telemetry stream from [TeleMetrum](../TeleMetrum/)
+* Integrated GPS receiver and antenna to allow display of current user 
+  position, and relative position of GPS-equipped rockets
+* Audio amplifier and speaker for voice status updates
 * Integrated rechargable battery
-* USB interface for configuration and power 
+* USB interface for configuration, power, and flight log extraction
 
 ### Developer View ###
 
@@ -27,8 +36,8 @@ and relative position of GPS-equipped rockets
        * equivalent of a [TeleMetrum](../TeleMetrum/) less the sensors
        * [Atmel ATtiny48](http://www.atmel.com/dyn/products/product_card_v2.asp?PN=ATtiny48) used as an I/O expander
        * 4 line, 20 character transreflective text LCD display
-       * "joystick" switch for user inputs
-* LiPo battery
+       * multi-directional switch for user inputs
+* 2Ah LiPo battery for all-day use
 * Software Features (planned)
        * [AltOS](../AltOS) for the cc1111 and simple C for the AVR
 * Tools Used
@@ -43,6 +52,16 @@ None yet!
 
 ## Artifacts ##
 
-A tentative schematic exists at
+Schematics and PCB artwork exist at
 [git.gag.com](http://git.gag.com) in the project
-[hw/teleterra](http://git.gag.com/?p=hw/teleterra;a=summary).
+[hw/teleterra](http://git.gag.com/?p=hw/teleterra;a=summary).  
+
+## Future Plans ##
+
+In 2010, two v0.1 prototypes were assembled, and the hardware was 
+tested.  Unfortunately, this design turned out to be too expensive to
+manufacture and
+sell.  We then worked on a cost-reduced v0.2 design, which worked ok, but
+just wasn't very satisfying to use compared to a TeleBT and Android 
+device.  It's possible, but unlikely, that we'll come back to TeleTerra at 
+some point in the future.