From 341c1076b1d28f50e6ef4399f50e162a84943576 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Tue, 30 Oct 2012 12:50:00 -0600 Subject: [PATCH] add MegaMetrum page, tweak various other pages wrt schedule predictions --- MegaDongle/index.mdwn | 3 +- MegaMetrum/index.mdwn | 88 +++++++++++++++++++++++++++++++++++++++++++ TeleBT/index.mdwn | 3 +- index.mdwn | 4 ++ 4 files changed, 96 insertions(+), 2 deletions(-) create mode 100644 MegaMetrum/index.mdwn diff --git a/MegaDongle/index.mdwn b/MegaDongle/index.mdwn index 8d9168b..3ca7139 100644 --- a/MegaDongle/index.mdwn +++ b/MegaDongle/index.mdwn @@ -68,4 +68,5 @@ by the CC1111 we used in [TeleDongle](../TeleDongle). Version 0.2 prototypes are underway. -No firm schedule for production and sale of MegaDongle has been set yet. +No firm schedule for production and sale of MegaDongle has been set yet, but +we hope to have this product in production for the 2013 flying season. diff --git a/MegaMetrum/index.mdwn b/MegaMetrum/index.mdwn new file mode 100644 index 0000000..1202f9c --- /dev/null +++ b/MegaMetrum/index.mdwn @@ -0,0 +1,88 @@ +# MegaMetrum + +This is a high-end recording dual-deploy altimeter for high power model +rocketry with integrated GPS and telemetry link. The features included +make MegaMetrum the ideal choice for complex projects including sustainers +on multi-stage projects. + +For the latest MegaMetrum firmware and related ground station software, please +visit the [AltOS](../AltOS) page on this site. + +These are no photos of MegaMetrum to share yet. + +## Features ## + +### User View ### + +* Recording altimeter for high power model rocketry +* Supports dual deployment and additional pyro events (can fire 6 charges) +* 70cm ham-band transceiver for telemetry downlink +* Barometric pressure sensor good to 100k feet MSL +* 1-axis 105-g accelerometer for motor characterization +* 3-axis 18-g accelerometer for gyro calibration +* 3-axis 2000 deg/sec gyros +* 3-axis magnetic sensor +* On-board, integrated GPS receiver +* On-board non-volatile memory for flight data storage +* USB for power, configuration, and data recovery +* Integrated support for LiPo rechargeable batteries +* Uses LiPo to fire e-matches, can be factory modified to support separate pyro battery +* 3.25 x 1.25 inch board designed to fit inside 38mm airframe coupler tube + +### Developer View ### + +* Hardware Features + * ST Micros [STM32L151](http://www.st.com/internet/mcu/product/248821.jsp) ARM Cortex M3 based Microcontroller + * TI [CC1120](http://www.ti.com/product/cc1120) High Performance RF Transceiver for Narrowband Systems + * 150mA 3.3V LDO regulator + * takes input from USB interface by default + * output appears on 8-pin companion connector + * can take input from 8-pin companion connector in non-USB applications + * [Winbond W25Q64CV](http://www.winbond.com/hq/enu/ProductAndSales/ProductLines/FlashMemory/SerialFlash/W25Q64CV.htm) serial flash memory + * [SkyTraq](http://www.skytraq.com.tw/) Venus634FLPx GPS receiver + * on-board [Taoglas AP.17A.01](http://www.taoglas.com/antennas/GPS_Antennas/Internal_GPS_-_Active_Patch_Modules/) + single-stage active patch antenna + * U.FL connector with 3.3V DC can be re-purposed for optional external amplified antennas + * async serial interface + * Measurement Specialties [MS5607](http://www.meas-spec.com/product/t_product.aspx?id=8499) Micro Altimeter Module + * Wide range — 120kPa to 1kPa (approximately -1500m to 31000m) + * High precision — 2.4Pa resolution (approximately 20cm at sea level) + * Factory calibrated. + * Freescale [MMA655x](http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MMA65xx&fsrch=1&sr=1) Single Axis SPI Intertial Sensor + * +- 105g or 120g full-scale + * on-chip 12-bit digitizer + * Invensense [MPU-6000](http://invensense.com/mems/gyro/mpu6050.html) Six-Axis MEMS Motion Tracking Device + * tri-axis angular rate sensor up to 2000 degrees/second + * tri-axis accelerometer with +- 16g range + * three on-chip ADCs for true simultaneous sampling of all axes + * Honeywell [HMC5883L](http://www.magneticsensors.com/three-axis-digital-compass.php) 3-Axis Digital Compass IC +* Software Features + * Written mostly in C with some ARM assembler + * Runs from on-chip flash, uses on-chip RAM, stores flight data to serial flash + * USB serial emulation for "console" interface +* 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 ## + +There is a single manual for MegaMetrum and most other Altus Metrum products, +which is available in [html](../AltOS/doc/altusmetrum.html) and +[pdf](../AltOS/doc/altusmetrum.pdf) formats. + +The hardware design current gEDA files are available from +[git.gag.com](http://git.gag.com) in the project +[hw/megametrum](http://git.gag.com/?p=hw/megametrum;a=summary). + +## Future Plans ## + +MegaMetrum v0.1 prototypes are working and flight testing is underway. + +There will be at least one more prototype version to try out a different +GPS receiver and improve various design details... most likely at least +2 more prototype versions before we go to production. + +No firm schedule for production and sale of MegaMetrum has been set yet, +but we hope to offer this product in time for the 2013 flying season. diff --git a/TeleBT/index.mdwn b/TeleBT/index.mdwn index 6f49b12..5ae0a63 100644 --- a/TeleBT/index.mdwn +++ b/TeleBT/index.mdwn @@ -71,4 +71,5 @@ Prototype version 0.3 is underway, resolving mechanical fit issues in the box we've chosen and updating the circuit to use our now-preferred LiPo charger chip. We hope this version will be one we're willing to put in to production. -No firm schedule for production and sale of TeleBT has been set yet. +No firm schedule for production and sale of TeleBT has been set yet, but we +hope to have this product in product before the end of 2012. diff --git a/index.mdwn b/index.mdwn index 4aa8af8..04f4612 100644 --- a/index.mdwn +++ b/index.mdwn @@ -60,6 +60,10 @@ the set of hardware projects here. * [MegaDongle](MegaDongle/) is a higher-performance alternative to [TeleDongle](TeleDongle/). +* [MegaMetrum](MegaMetrum/) +is a high-end flight computer with 6 pyro channels, more and better sensors, +GPS, and a high performance bidirectional RF telemetry link. + * [MicroPeak](MicroPeak/) is a rocket altimeter that is both precise and tiny, designed to be the ideal altimeter for model rocket contests. -- 2.30.2