X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=EasyMotor%2Findex.mdwn;h=b5fe25224234f758d495389eb97a56981794b6a5;hb=7d14e976aa12edeb169baa33a7b5658a304297aa;hp=7815bc7b486e3fc8d1948c45e9d184fb2175ade8;hpb=a116153f090e460e5b66366ab2fc18c0194fe2b4;p=web%2Faltusmetrum
diff --git a/EasyMotor/index.mdwn b/EasyMotor/index.mdwn
index 7815bc7..b5fe252 100644
--- 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:
@@ -24,29 +32,30 @@ This is what a production v3 board looks like:
* 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
+ * 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
+ * [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)
@@ -104,6 +113,11 @@ gets fed through a vent hole in the airframe as a twist-n-tape power switch.
+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