X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=TeleTerra%2Findex.mdwn;h=8568bfe0bb8e6b55d43b8306dbd5959d6dfb2f08;hb=8fc41a4bc0d3458bc5aee202ec611afe47d78450;hp=a66c557e5d0797f1701cd15f556fbb7af6e6b186;hpb=211ebbce3da37c51875024035b350307d5e77939;p=web%2Faltusmetrum diff --git a/TeleTerra/index.mdwn b/TeleTerra/index.mdwn index a66c557..8568bfe 100644 --- a/TeleTerra/index.mdwn +++ b/TeleTerra/index.mdwn @@ -1,25 +1,34 @@ +[[!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: + + + ## Motivation ## -While it is possible to use a partially (or fully!) loaded -[TeleMetrum](../TeleMetrum/) board as a USB to RF interface, we think -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 +While using a [TeleDongle](../TeleDongle/) board as a USB to RF interface to +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! ## Features ## ### 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.