split out history document, add artifacts for v1.0 and v2.0 boards

[web/altusmetrum] / EasyMega / index.mdwn

diff --git a/EasyMega/index.mdwn b/EasyMega/index.mdwn
index 77f23e68b7773df8868b5b3d531d0ec901e00072..3a2af7c0366726a2100954493d499c9f6428289c 100644 (file)
--- a/EasyMega/index.mdwn
+++ b/EasyMega/index.mdwn
@@ -13,7 +13,8 @@ For the latest EasyMega firmware and related ground station software, please
 visit the [AltOS](../AltOS) page on this site.  EasyMega requires AltOS
 version 1.4.2 or later.
 
-Here are photos of the first production version:
+Here are photos of version 1.0 (we may get around to taking picutres of 2.0
+eventually, but it looks substantially similar):
 
 <a href="v1.0/easymega-v1.0-top.jpg"> <img src="v1.0/easymega-v1.0-top-thumb.jpg"></a>
 <a href="v1.0/easymega-v1.0-bottom.jpg"> <img src="v1.0/easymega-v1.0-bottom-thumb.jpg"></a>
@@ -28,11 +29,12 @@ Here are photos of the first production version:
   configurable and can be based on time and various flight events and status,
   including angle from vertical (for safety in staging and air start flights).
 * Barometric pressure sensor good to 100k feet MSL
-* 1-axis 105-g accelerometer for motor characterization
+* 3-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 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
@@ -49,14 +51,14 @@ Here are photos of the first production version:
                * 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
+       * Invensense [MPU-9250](http://invensense.com/mems/gyro/mpu9250.html) 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 (compass) 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
@@ -81,6 +83,15 @@ The hardware design current gEDA files are available from
 [git.gag.com](http://git.gag.com) in the project 
 [hw/easymega](http://git.gag.com/?p=hw/easymega;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 5.0 in more easily readable form:
+
+* [schematic](v2.0/easymega-sch.pdf)
+* [pcb artwork](v2.0/easymega-pcb.pdf)
+* [bill of materials](v2.0/partslist.csv)
+
+## [History of EasyMega](history) ##
+
 ## Status ##
 
-Version 1.0 production units are now available for sale.
+Version 2.0 production units are now available for sale.