X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=TeleMega%2Findex.mdwn;h=c373273a3211605d164d820a07a7e3597f983b85;hb=7d5d9d2ea525c82d5e47bc60e5bb84875eec2267;hp=eeeb7778165c1d74070a3fbaf3a3f4f94730e46d;hpb=1070bfda80c07714455bfdd7568020d396bb8a56;p=web%2Faltusmetrum diff --git a/TeleMega/index.mdwn b/TeleMega/index.mdwn index eeeb777..c373273 100644 --- a/TeleMega/index.mdwn +++ b/TeleMega/index.mdwn @@ -1,3 +1,4 @@ +[[!meta title="TeleMega"]] # TeleMega This is a high-end recording dual-deploy altimeter for high power model @@ -8,12 +9,14 @@ can be based on time and various flight events and status, including angle from vertical. For the latest TeleMega firmware and related ground station software, please -visit the [AltOS](../AltOS) page on this site. +visit the [AltOS](../AltOS) page on this site. TeleMega v4.0 requires AltOS +version 1.9.2 or later. -These are photos of the first v0.1 prototype: +These are photos of production version 1.0 .. maybe someday we'll take photos +of a newer version (?) .. but they look similar: - - + + ## Features ## @@ -26,12 +29,13 @@ These are photos of the first v0.1 prototype: including angle from vertical (for safety in staging and air start flights). * 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 +* 1-axis 200-g accelerometer for motor characterization +* 3-axis 16-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 +* Can drive up to 4 RC-style servos * USB for power, configuration, and data recovery * Integrated support for LiPo rechargeable batteries * User choice of pyro battery configuration, can use primary LiPo or any @@ -40,31 +44,32 @@ These are photos of the first v0.1 prototype: ### Developer View ### -* Hardware Features of v0.3 +* Hardware Features of v2.0 * 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 + * TI [CC1200](http://www.ti.com/product/cc1200) High Performance RF Transceiver for Narrowband Systems * 150mA 3.3V LDO regulator - * [Winbond W25Q64CV](http://www.winbond.com/hq/enu/ProductAndSales/ProductLines/FlashMemory/SerialFlash/W25Q64CV.htm) serial flash memory - * [u-blox](http://www.u-blox.com/) MAX-7Q GPS receiver + * [Winbond W25Q64FV](http://www.winbond.com/hq/product/code-storage-flash-memory/serial-nor-flash/?__locale=en&partNo=W25Q64FV) serial flash memory + * [u-blox](http://www.u-blox.com/) MAX-8Q GPS receiver * on-board TaoGlas passive patch antenna * 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 [MMA6555](http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MMA65xx&fsrch=1&sr=1) Single Axis SPI Intertial Sensor - * +- 105g full-scale - * on-chip 12-bit digitizer - * Invensense [MPU-6000](http://invensense.com/mems/gyro/mpu6050.html) Six-Axis MEMS Motion Tracking Device + * Analog Devices [ADXL375](https://www.analog.com/en/products/adxl375.html) 3-Axis Digital MEMS Accelerometer + * +- 200g full-scale + * on-chip digitizer + * Bosch [BMX160](https://www.bosch-sensortec.com/products/motion-sensors/absolute-orientation-sensors/absolute-orientation-sensors-bmx160.html) Absolute Orientation Sensor * 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 + * tri-axis magnetic sensor * 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 + * [lepton-eda](https://github.com/lepton-eda/lepton-eda) for schematic capture + * [pcb-rnd](http://repo.hu/projects/pcb-rnd/) for 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) @@ -75,24 +80,19 @@ There is a single manual for TeleMega 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 +An outline of the board with drill hole locations is available in +[pdf](../AltOS/doc/telemega-outline.pdf) format. + +The current hardware design files are available from [git.gag.com](http://git.gag.com) in the project [hw/telemega](http://git.gag.com/?p=hw/telemega;a=summary). -## Future Plans ## - -TeleMega v0.1 prototypes worked and were flown on a number of test -flights. This version was shown publicly at NARCON 2013. +For those who don't have ready access to the gEDA suite, here are pdf snapshots +of the files for Production PCB version 5.0 in more easily readable form: -Several changes to the hardware to improve performance and reliability -resulted in a v0.2 prototype version, however feedback from conversations at -NARCON caused us to sort of "skip" doing much with this version. +* [schematic](v5.0/telemega-sch.pdf) +* [pcb artwork](v5.0/telemega-pcb.pdf) +* [bill of materials](v5.0/partslist.csv) -Version 0.3 prototypes were built and working, with an improved pyro control -circuit and u-blox 6-series GPS receiver. The first test flight of v0.3 was -on 19 May 2013, and the results looked great! Unfortunately, all prototypes -were then lost in the fire that destroyed Bdale's house. +## [History of TeleMega](history) ## -Version 0.4 prototypes are built and work great, using the brand-new u-blox -MAX-7Q GPS receiver. Flight testing is underway, and we hope to introduce -TeleMega as a product by the end of October 2013.