From 600f3ac7d1d7e7d3d28078c78f5d506482c6b1f5 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Wed, 10 Nov 2010 11:33:52 -0700 Subject: [PATCH] new designs, not yet to prototype stage --- LipoCharger/index.mdwn | 34 +++++++++++++++++++++++++ TeleMini/index.mdwn | 55 +++++++++++++++++++++++++++++++++++++++++ TeleNano/index.mdwn | 56 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 145 insertions(+) create mode 100644 LipoCharger/index.mdwn create mode 100644 TeleMini/index.mdwn create mode 100644 TeleNano/index.mdwn diff --git a/LipoCharger/index.mdwn b/LipoCharger/index.mdwn new file mode 100644 index 0000000..5910d18 --- /dev/null +++ b/LipoCharger/index.mdwn @@ -0,0 +1,34 @@ +# LipoCharger + +This is a simple but effective charger for LiPo batteries. It has a higher +charge rate than the on-board charger on [TeleMetrum](../TeleMetrum), and +will be necessary for charging the batteries used with projects like +[TeleNano](../TeleNano) and [TeleMini](../TeleMini), which do not have +on-board charging capability. + +## Features ## + +### User View ### + +* Wall-wart power supply to our standard 2mm LiPo battery connector +* 1.0 x 0.4 inch board + +### Developer View ### + +* Hardware Features + * [Microchip MCP73837](http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en531507) Li-ion battery charger chip + * Strain-relief holes for soldering to wall-wart leads +* 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) + +## Artifacts ## + +The design files can be found on [git.gag.com](http://git.gag.com) in the +project [hw/lipocharger](http://git.gag.com/?p=hw/lipocharger;a=summary). + +## Future Plans ## + +We need to build and evaluate some prototypes, and review costing, before +deciding whether this design will go into production. diff --git a/TeleMini/index.mdwn b/TeleMini/index.mdwn new file mode 100644 index 0000000..8ae8695 --- /dev/null +++ b/TeleMini/index.mdwn @@ -0,0 +1,55 @@ +# TeleMini + +This is a very small, baro-only recording dual-deploy altimeter for +high power model rocketry with integrated telemetry link. + +## Motivation ## + +We'd like to fly smaller rockets really high, which motivates an interest +in both electronic deployment and radio direction finding for post-flight +rocket recovery. + +## Features ## + +### User View ### + +* Recording altimeter for model rocketry +* Supports dual deployment (can fire 2 ejection charges) +* 70cm ham-band transceiver for telemetry downlink +* Barometric pressure sensor good to 45k feet MSL +* Designed to use a single LiPo rechargeable battery +* 1.5 x 0.5 inch board designed to fit inside 18mm airframe coupler tube + +### Developer View ### + +* Hardware Features + * [TI CC1111F32](http://focus.ti.com/docs/prod/folders/print/cc1111f32.html) Low Power RF System-on-Chip + * Sub-1Ghz transceiver + * 8051 MCU + * 32k Flash + * 4k RAM + * USB 2.0 + * 6 12-bit analog inputs (11 bits with single-ended sensors) + * 2 channels of serial I/O + * digital I/O + * [Freescale MP3H6115A](http://www.freescale.com/webapp/search.partparamdetail.framework?PART_NUMBER=MP3H6115A6U) pressure sensor +* Software Features + * Written mostly in C with some 8051 assembler + * Runs from on-chip flash, uses on-chip RAM, stores flight data to + upper blocks of on-chip flash +* Tools Used + * [gEDA](http://www.gpleda.org/) for schematic capture and PCB layout + * [SDCC](http://sdcc.sourceforge.net/) compiler and source debugger +* 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 ## + +The design files can be found on [git.gag.com](http://git.gag.com) in the +project [hw/telemini](http://git.gag.com/?p=hw/telemini;a=summary). + +## Future Plans ## + +We need to build and evaluate some prototypes, and review costing, before +deciding whether this design will go into production. diff --git a/TeleNano/index.mdwn b/TeleNano/index.mdwn new file mode 100644 index 0000000..2b2a688 --- /dev/null +++ b/TeleNano/index.mdwn @@ -0,0 +1,56 @@ +# TeleNano + +This is an extremely small, baro-only recording altimeter for +high power model rocketry with integrated telemetry link. + +## Motivation ## + +We hope with TeleNano to deliver an interesting "introductory" product +in a different price category than our flagship products like +[TeleMetrum](../TeleMetrum). The combination of a baro altimeter and +radio direction finding ability in a super-tiny package seems like it +might be fun even for [Estes](http://www.estesrockets.com/) sized rockets! + +## Features ## + +### User View ### + +* Recording altimeter for model rocketry +* 70cm ham-band transceiver for telemetry downlink +* Barometric pressure sensor good to 45k feet MSL +* Designed to use a single LiPo rechargeable battery +* 1.0 x 0.5 inch board designed to fit inside 18mm airframe coupler tube + +### Developer View ### + +* Hardware Features + * [TI CC1111F32](http://focus.ti.com/docs/prod/folders/print/cc1111f32.html) Low Power RF System-on-Chip + * Sub-1Ghz transceiver + * 8051 MCU + * 32k Flash + * 4k RAM + * USB 2.0 + * 6 12-bit analog inputs (11 bits with single-ended sensors) + * 2 channels of serial I/O + * digital I/O + * [Freescale MP3H6115A](http://www.freescale.com/webapp/search.partparamdetail.framework?PART_NUMBER=MP3H6115A6U) pressure sensor +* Software Features + * Written mostly in C with some 8051 assembler + * Runs from on-chip flash, uses on-chip RAM, stores flight data to + upper blocks of on-chip flash +* Tools Used + * [gEDA](http://www.gpleda.org/) for schematic capture and PCB layout + * [SDCC](http://sdcc.sourceforge.net/) compiler and source debugger +* 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 ## + +The design files can be found on [git.gag.com](http://git.gag.com) in the +project [hw/telenano](http://git.gag.com/?p=hw/telenano;a=summary). + +## Future Plans ## + +We need to build and evaluate some prototypes, and review costing, before +deciding whether this design will go into production. -- 2.47.2