loaded a TeleLCO board

[web/altusmetrum] / EasyMotor / index.mdwn

diff --git a/EasyMotor/index.mdwn b/EasyMotor/index.mdwn
index 1e9c0681818dd89e61ce17d5e04f6a6b60ce4a9c..fc03a72d826ed51f00fce7ea15302ff469930c0a 100644 (file)
--- a/EasyMotor/index.mdwn
+++ b/EasyMotor/index.mdwn
@@ -5,6 +5,14 @@ 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.  
 
+EasyMotor version 3 is available from the
+[Garbee and Garbee](https://shop.gag.com) web store
+and from our distributors.
+
+For the latest EasyMotor firmware and related ground station software,
+please visit the [AltOS](../AltOS) page on this site.  EasyMotor
+version 3.0 requires AltOS version 1.9.12 or later.
+
 This is what a production v3 board looks like:
 
 <a href="v3/top.jpg"> <img src="v3/top-thumb.jpg"></a>
@@ -23,34 +31,41 @@ This is what a production v3 board looks like:
 ### Developer View ###
 
 * Hardware Features
-        * [NXP LPC11U14](http://www.nxp.com/products/microcontrollers/cortex_m0_m0/LPC11U14FHI33.html) System-on-Chip
-                * ARM Cortex-M0 MCU
-                * 32k Flash
-                * 6k RAM
-                * USB 2.0
-                * 8 12-bit analog inputs
-                * I2C, SPI, async serial
-                * digital I/O
+       * [NXP LPC11U14](http://www.nxp.com/products/microcontrollers/cortex_m0_m0/LPC11U14FHI33.html) System-on-Chip
+               * ARM Cortex-M0 MCU
+               * 32k Flash
+               * 6k RAM
+               * USB 2.0
+               * 8 12-bit analog inputs
+               * I2C, SPI, async serial
+               * digital I/O
        * Analog Devices [ADXL375](https://www.analog.com/en/products/adxl375.html) 3-Axis Digital MEMS Accelerometer
-                * +- 200g full-scale
-                * on-chip digitizer
+               * +- 200g full-scale
+               * on-chip digitizer
        * on-board USB-based charger for single-cell LiPo battery 
        * low noise 5V switching regulator to power pressure sensor
        * precision divider with 0.1% resistors to scale pressure sensor
          analog output to match SOC analog input voltage range
+
 * 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
+       * 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
-        * [lepton-eda](https://github.com/lepton-eda/lepton-eda) for schematic capture
-        * [pcb-rnd](http://repo.hu/projects/pcb-rnd/) for 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
+       * [GCC](http://gcc.gnu.org/) compiler and source debugger
+
 * 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)
+       * 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)
 
 ## Example Installations ##
 
+For ground testing and storage, Troy Bland created a 3d printable case he
+[published here](https://www.printables.com/model/852837-easymotor-case-lid).
+
 There are lots of ways to mount an EasyMotor board, but since we've been
 asked, here are a few photos from snap-ring case forward closures 
 machined by Bdale for test flights of EasyMotor.  For launch detection to
@@ -101,6 +116,11 @@ gets fed through a vent hole in the airframe as a twist-n-tape power switch.
 
 <a href="photos/IMG_20201010_142952.jpg"> <img src="photos/IMG_20201010_142952-thumb.jpg"></a>
 
+If machining closures isn't something you want to do, 
+[Loki Research](https://lokiresearch.com) now sells "experimental bulkheads" 
+for 54mm and 75mm snap-ring cases that are well suited for mounting a pressure
+sensor to use with EasyMotor.
+
 ## Artifacts ##
 
 Motor characterization products from Altus Metrum are documented in a manual