From b0a0cf1824533340080ac3365d6102c8efe0fdef Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Mon, 3 Aug 2020 16:39:30 -0600 Subject: [PATCH] a few updates --- EasyMotor/index.mdwn | 12 ++++-------- OpenAlt/index.mdwn | 14 +++++++++----- TeleStatic/index.mdwn | 20 ++++++++++++-------- 3 files changed, 25 insertions(+), 21 deletions(-) diff --git a/EasyMotor/index.mdwn b/EasyMotor/index.mdwn index 25b4c82..7cbc49e 100644 --- a/EasyMotor/index.mdwn +++ b/EasyMotor/index.mdwn @@ -4,16 +4,12 @@ This board is designed for in-flight characterization of research rocket motors. It records chamber pressure and acceleration to an on-board flash memory chip, the contents of which can be downloaded after flight over USB. -It can also be attached to a [TeleMetrum](../TeleMetrum) or -[TeleMega](../TeleMega) using the companion interface to allow a subset of -the data to be included in radio telemetry during the flight. -There is no EasyMotor firmware yet, but it will be part of the -[AltOS](../AltOS) suite eventually. +EasyMotor firmware is under development within the [AltOS](../AltOS) suite. -Prototypes of v1 were built and evaluated, prototypes of v2 are -underway. This design is not yet for sale, but we hope to have it on the -market by mid-summer 2020. +Prototypes of v1 were built and evaluated, prototypes of v2 are built, +with development of firmware and evaluation underay. This design is not +yet for sale, but we hope to have it on the market by the end of 2020. ## Features ## diff --git a/OpenAlt/index.mdwn b/OpenAlt/index.mdwn index 1755b87..68acf15 100644 --- a/OpenAlt/index.mdwn +++ b/OpenAlt/index.mdwn @@ -65,9 +65,12 @@ the design for now: * the 3-axis accelerometer has a max scale of +/- 6g. This is insufficient for characterizing the kinds of motors that we're playing with now. -* while using a gcc-based toolchain to cross-develop for the ARM7 core works - reasonably well, it's a heavy toolchain to build and maintain, and the - processor really is serious overkill for the task at hand. +* while using a gcc-based toolchain to cross-develop for the ARM7 core worked + reasonably well, in 2008 it was a heavy toolchain to build and maintain, + and the processor was serious overkill for the task at hand. Since then, + ARM Cortex SOCs have become so cheap, and the required toolchain so well + supported in [Debian GNU/Linux](https://debian.org) and elsewhere to change + this from a bug to a feature. ## Artifacts ## @@ -76,9 +79,10 @@ presentation about this hardware generation was given at the Ohio LinuxFest 2008. Note that there are many photos included, so this is a HUGE file! The version 0.1 design had enough issues that Bdale decided not to publish -it. Work on an 0.2 revision is mostly complete at the schematic level, and +it. Work on an 0.2 revision was mostly completed at the schematic level, and some printed circuit board artwork updates were made, but a second run of -boards was never attempted. This design is now mostly of historical interest. +boards was never attempted. This design is now entirely of historical +interest. ## Futures ## diff --git a/TeleStatic/index.mdwn b/TeleStatic/index.mdwn index 86387b3..f8931ae 100644 --- a/TeleStatic/index.mdwn +++ b/TeleStatic/index.mdwn @@ -5,7 +5,9 @@ TeleStatic is a secure radio-controlled system capable of operating -a rocket motor static test stand. +a rocket motor static test stand. Sensors supported by the base +configuration include one pressure sensor for chamber pressure, +and one load cell for thrust measurement. TeleStatic uses a two-way digital radio communications system for positive indication of all operations. The communications link is @@ -23,8 +25,9 @@ the designated bank number. A TeleStatic board can also be used as a one-channel pyro board in the larger [TeleLaunch](../TeleLaunch) system when needed. -TeleStatic is an alternate load of the TeleFireOne board, whose hardware -design is available from [git.gag.com](http://git.gag.com) in the project +TeleStatic began as an alternate load of the TeleFireOne board, whose +hardware design is available from [git.gag.com](http://git.gag.com) +in the project [hw/telefireone](http://git.gag.com/?p=hw/telefireone;a=summary). ## Documentation ## @@ -40,11 +43,12 @@ be part of the AltOS suite. ## Availability ## -A prototype system was operated extensively during the 2017, and based -on that experience a revised version of the circuit board was designed -and will be tested eventually. General availability of the TeleStatic -product is expected by the end of calendar 2018. Watch this space for -updates on price and availability. +A prototype system was developed in 2017, and has been in routine use +ever since. The electronics has been through at least three major +revisions, none of which have yet made it into production. A "final" +version is being worked on based on everything learned so far, and +we hope to have it for sale by the end of calendar 2020. Watch this +space for updates. ## Licenses ## -- 2.30.2