X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=TeleMega%2Findex.mdwn;h=abcb70007e1d31e91c8775a1fa27480e02731842;hb=da21f1d457b2c4ee1f55f56886e7904886392cb2;hp=eb2755658e422ef8dabb777612d6ca1ea08eb29e;hpb=660ac81652460b45b5bbd2b8f94ad510a6bb70a8;p=web%2Faltusmetrum diff --git a/TeleMega/index.mdwn b/TeleMega/index.mdwn index eb27556..abcb700 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 v3.0 requires AltOS +version 1.8.3 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 ## @@ -27,11 +30,12 @@ These are photos of the first v0.1 prototype: * 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 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 @@ -40,11 +44,11 @@ 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 + * [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-7Q GPS receiver * on-board TaoGlas passive patch antenna * async serial interface @@ -55,11 +59,11 @@ These are photos of the first v0.1 prototype: * 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 + * Invensense [MPU-9250](https://www.invensense.com/products/motion-tracking/9-axis/mpu-9250/) Nine-Axis MEMS Motion Tracking Device * tri-axis angular rate sensor up to 2000 degrees/second * tri-axis accelerometer with +- 16g range + * tri-axis magnetic sensor * three on-chip ADCs for true simultaneous sampling of all axes - * Honeywell HMC5883L 3-axis magnetic (compass) 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 @@ -76,33 +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. +An outline of the board with drill hole locations is available in +[pdf](../Documents/telemega-outline.pdf) format. + The hardware design current gEDA 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). For those who don't have ready access to the gEDA suite, here are pdf snapshots -of the files for Production PCB version 1.0 in more easily readable form: - -* [schematic](v1.0/telemega-sch.pdf) -* [pcb artwork](v1.0/telemega-pcb.pdf) -* [bill of materials](v1.0/partslist.csv) - -## Future Plans ## - -TeleMega v0.1 prototypes worked and were flown on a number of test -flights. This version was shown publicly at NARCON 2013. - -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. +of the files for Production PCB version 3.0 in more easily readable form: -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. +* [schematic](v3.0/telemega-sch.pdf) +* [pcb artwork](v3.0/telemega-pcb.pdf) +* [bill of materials](v3.0/partslist.csv) -Version 0.4 prototypes are built and work great, using the brand-new u-blox -MAX-7Q GPS receiver. +## [History of TeleMega](history) ## -Production orders for v1.0 were placed on 30 October 2013, we hope to have -product ready to ship in early December!