3 This is a very small, baro-only recording dual-deploy altimeter for
4 model rocketry with integrated telemetry link.
6 Production units are available from the
7 [Garbee and Garbee](http://auric.gag.com) web
10 For the latest TeleMini firmware and related ground station software, please
11 visit the [AltOS](../AltOS) page on this site.
13 These are photos of our current production version:
15 <a href="v1.0/telemini_top.jpg"> <img src="v1.0/telemini_top_thumb.jpg"></a>
16 <a href="v1.0/telemini_bottom.jpg"> <img src="v1.0/telemini_bottom_thumb.jpg"></a>
22 * Recording altimeter for model rocketry
23 * Supports dual deployment (can fire 2 ejection charges)
24 * 70cm ham-band transceiver for telemetry downlink
25 * Barometric pressure sensor good to 45k feet MSL
26 * Designed to use a single LiPo rechargeable battery
27 * 1.5 x 0.5 inch board designed to fit inside 18mm airframe coupler tube
29 ### Developer View ###
32 * [TI CC1111F32](http://focus.ti.com/docs/prod/folders/print/cc1111f32.html) Low Power RF System-on-Chip
33 * Sub-1Ghz transceiver
38 * 6 12-bit analog inputs (11 bits with single-ended sensors)
39 * 2 channels of serial I/O
41 * [Freescale MP3H6115A](http://www.freescale.com/webapp/search.partparamdetail.framework?PART_NUMBER=MP3H6115A6U) pressure sensor
43 * Written mostly in C with some 8051 assembler
44 * Runs from on-chip flash, uses on-chip RAM, stores flight data to
45 upper blocks of on-chip flash
47 * [gEDA](http://www.gpleda.org/) for schematic capture and PCB layout
48 * [SDCC](http://sdcc.sourceforge.net/) compiler and source debugger
50 * The hardware is licensed under the [TAPR](http://www.tapr.org) [Open Hardware License](http://www.tapr.org/ohl.html)
51 * The software is licensed [GPL version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
55 There is a single manual for TeleMini and all other Altus Metrum products,
56 which is available in [html](../AltOS/doc/altusmetrum.html) and
57 [pdf](../AltOS/doc/altusmetrum.pdf) formats.
59 The hardware design files can be found on [git.gag.com](http://git.gag.com)
60 in the project [hw/telemini](http://git.gag.com/?p=hw/telemini;a=summary).