From: Bdale Garbee Date: Sat, 30 Nov 2019 18:37:20 +0000 (-0700) Subject: update TeleMetrum web content for v3.0 X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=2bd96e206b413c0517fc6c87c1263b5e431d763c;p=web%2Faltusmetrum update TeleMetrum web content for v3.0 --- diff --git a/TeleMetrum/index.mdwn b/TeleMetrum/index.mdwn index 76a97cb..87cb8b6 100644 --- a/TeleMetrum/index.mdwn +++ b/TeleMetrum/index.mdwn @@ -7,13 +7,12 @@ with integrated GPS and telemetry link. For the latest TeleMetrum firmware and related ground station software, please visit the [AltOS](../AltOS) page on this site. -These are photos of production version 2.0: +These are photos of production version 3.0: - - + + -Prototypes of v2.0 were flown at Airfest 2013 and everything worked -great. TeleMetrum v2.0 is now available for sale. +v3.0 was introduced in late 2019, and is now available for sale. ## Features ## @@ -23,7 +22,7 @@ great. TeleMetrum v2.0 is now available for sale. * Supports dual deployment (can fire 2 ejection charges) * 70cm ham-band transceiver for telemetry downlink * Barometric pressure sensor good to 100k feet MSL -* 1-axis 105-g accelerometer for motor characterization +* 1-axis 200-g accelerometer for motor characterization * On-board, integrated GPS receiver * On-board non-volatile memory for flight data storage * USB for power, configuration, and data recovery @@ -35,39 +34,35 @@ great. TeleMetrum v2.0 is now available for sale. * 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) Low Power, High Performance RF Transceiver * 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 + * [u-blox](http://www.u-blox.com/) MAX-8Q GPS receiver * on-board 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 + * Analog Devices [ADXL375](https://www.analog.com/en/products/adxl375.html) 3-Axis Digital MEMS Accelerometer + * +- 200g full-scale + * on-chip digitizer * 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) -Compared with the v1 series, v2 includes a better GPS (uBlox vs -Skytraq), higher power radio (40mW instead of 10mW), wider range and -more precise pressure sensor (100k' MSL vs 45k' MSL), larger on-board -storage (8MB vs 2MB), more precise, wider range accelerometer (12 bits instead of -10 bits, 105g instead of 70g) and faster processor (32-bit ARM instead -of 8-bit 8051). - -## [Production History](../production) ## - -## [Flight Logs](flightlogs) ## +Compared with v2 series, v3 includes a better GPS (uBlox v8 vs v7), +the TI CC1200 radio used in our other products instead of the CC1120 +used only in TeleMetrum v2 (more or less the same performance, but one less +device driver for us to have to worry about!), and more accelerometer +range with approximately the same precision. ## Videos ##