class HeartBeat – heart beat LED

The HeartBeat class controls the heart beat led which by default flashes once every 5s. The user can disable the HeartBeat and then is free to control this LED manually through GPIO25 using the Pin class. The GPIO25 can also be remapped as a PWM output, an this can be used to control the light intesity of the heart beat LED.

Example usage:

hb = pyb.HeartBeat()
hb.disable()    # disable the heart beat
hb.enable()     # enable the heart beat

Constructors

class pyb.HeartBeat

Create a HeartBeat object.

Methods

heartbeat.enable()

Enable the heart beat. The LED will flash once every 5 seconds.

heartbeat.disable()

Disable the heart beat. The LED can then be controlled manually.

Example:

import pyb

# disable the heart beat
pyb.HeartBeat().disable()
# get the GPIO25 pin object
hbl = pyb.Pin('GPIO25')
# toggle the led
hbl.toggle()
...