X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=EasyMotor%2Findex.mdwn;h=6fac57af2dc7f08c21cd6c6c5dd4bd1e42fb7dea;hb=7d5d9d2ea525c82d5e47bc60e5bb84875eec2267;hp=7815bc7b486e3fc8d1948c45e9d184fb2175ade8;hpb=a116153f090e460e5b66366ab2fc18c0194fe2b4;p=web%2Faltusmetrum

diff --git a/EasyMotor/index.mdwn b/EasyMotor/index.mdwn
index 7815bc7..6fac57a 100644
--- a/EasyMotor/index.mdwn
+++ b/EasyMotor/index.mdwn
@@ -24,25 +24,25 @@ 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
@@ -104,6 +104,11 @@ 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