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Lego-Boost-Python-Library/docs/VoltageCurrent.md
Andrey Pokhilko 32eecac1a6
Make v1.0, based on official docs (#27)
* It's HUB ID

* Rename file

* Working with official doc

* Some progress

* AttachedIO msg

* device action impl

* some better device alert impl

* restructuring

* Some port commands handled

* Some command feedback waiting

* Some more request-reply things

* Some more request-reply things

* Reworked msg classes

* Getting back to UTs

* Getting back to UTs

* Facing sync lock problems

* Facing sync lock problems

* Testing it

* Covering more with tests

* handle actions

* Hub class is almost covered

* done coverage for Hub

* done coverage for MoveHub

* Button is tested

* remove debug server from examples

* Current and voltage tested

* color sensor basic test

* cover tilt sensor

* motor sensor tested

* constant motor

* motor is tested

* hold_speed impl for motor

* motor commands recorded

* some cleanup

* some cleanup

* some cleanup

* debug

* debug

* FIX a bug

* acc/dec profiles figured out

* UT motor ops

* UT motor ops

* Get rid of weird piggyback

* fix UT

* Fix encoding?

* fix test mb

* More robust

* Checked demo works

* cosmetics

* cosmetics

* Maybe better test

* fetching and decoding some device caps

* describing devs

* describing devs works

* Applying modes we've learned

* Simple and extensible dev attach

* Reworking peripherals based on modes

* Applying modes we've learned

* implemented getting sensor data

* fixed port subscribe

* Added led out cmds on vision sensor

* Worked on color-distance sensor

* Introduce some locking for consistency

* Improved it all

* Travis flags

* improve

* improve

* improve docs
2019-05-30 17:02:50 +03:00

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Power Voltage & Battery

MoveHub class has field voltage to subscribe to battery voltage status. Callback accepts single parameter with current value. The range of values is float between 0 and 1.0. Every time data is received, value is also written into last_value field of Voltage object. Values less than 0.2 are known as lowest values, when unit turns off.

from pylgbst.hub import MoveHub, Voltage

def callback(value):
    print("Voltage: %s" % value)

hub = MoveHub()
print ("Value L: " % hub.voltage.get_sensor_data(Voltage.VOLTAGE_L))
print ("Value S: " % hub.voltage.get_sensor_data(Voltage.VOLTAGE_S))