doc: additional improvements to motortest manual

diff --git a/doc/motortest-installation.inc b/doc/motortest-installation.inc
index 290c7b8fa7d3542511944278321f2ae77c012bb6..af85a918d6ee2814799156a1a5ed099b38dddac0 100644 (file)
--- a/doc/motortest-installation.inc
+++ b/doc/motortest-installation.inc
@@ -9,14 +9,11 @@
        === Power Switch and Battery
 
                In addition to the circuit board itself, EasyMotor needs
        === Power Switch and Battery
 
                In addition to the circuit board itself, EasyMotor needs

-               a power switch and battery to operate. Unlike most other
-               Altus Metrum products, EasyMotor does not work with
-               single-cell LiPo batteries. That's because commonly
-               available inexpensive pressure sensors need 5V, which is
-               more than a single-cell LiPo provides. Any battery that
-               provides from 6.5 to about 15 volts should work. Good
-               choices are the common 9V alkaline battery, or the very
-               small and light A23 12V alkaline batteries.
+               a power switch and battery to operate.  Like many Altus 
+               Metrum products, EasyMotor requires a single-cell LiPo 
+               battery, and has an on-board charging circuit.  The 5V
+               needed for inexpensive pressure sensors is generated 
+               onboard using a switching regulator to boost the voltage.

 
                Because he often mounts EasyMotor to the motor's forward
                bulkhead instead of to the airframe itself, Bdale often
 
                Because he often mounts EasyMotor to the motor's forward
                bulkhead instead of to the airframe itself, Bdale often


@@ -40,7 +37,8 @@
                by the sensor. Very inexpensive sensors that have a
                “1/8 NPT” threaded input, a “Buick-style” 3-pin connector,
                and typically ship with a short cable and mating
                by the sensor. Very inexpensive sensors that have a
                “1/8 NPT” threaded input, a “Buick-style” 3-pin connector,
                and typically ship with a short cable and mating

-               connector, are readily available on eBay and AliExpress.
+               connector, are readily available through various vendors
+               including Amazon, eBay, and AliExpress.

 
                To log in-flight chamber pressure, a typical approach
                might be to drill a 1/8" sampling hole all the way
 
                To log in-flight chamber pressure, a typical approach
                might be to drill a 1/8" sampling hole all the way

diff --git a/doc/motortest-operation.inc b/doc/motortest-operation.inc
index e38fbe3a2dd79a85ccea960f187634f06d983008..6371ae04c49301f62ad1d72824e25aadb1032a2f 100644 (file)
--- a/doc/motortest-operation.inc
+++ b/doc/motortest-operation.inc
@@ -10,5 +10,7 @@
        data 100 times per second throughout the flight.
 
        After flight, AltosUI can be used to download the flight data,
        data 100 times per second throughout the flight.
 
        After flight, AltosUI can be used to download the flight data,

-       then export it to a comma separated values (CSV) file. Such a
-       file can easily be loaded into a spreadsheet for analysis.
+       view a quick graph of acceleration and pressure with pan and
+       zoom capabilities, then export it to a comma separated values 
+       (CSV) file. Such a file can easily be loaded into a spreadsheet 
+       for analysis.