Reply To: Use external LED to indicate activity (heartbeat) on RPi3B+

Max2Play Home Forums General Questions on Hardware and Max2Play Versions Use external LED to indicate activity (heartbeat) on RPi3B+ Reply To: Use external LED to indicate activity (heartbeat) on RPi3B+

2. Dezember 2019 at 11:55 #47654

OK, found another post that seems to make more sense.

dtoverlay=pi3-act-led,gpio=22
dtparam=act_led_trigger=heartbeat

Above lines seem to have no effect on the LED at runtime (when hacked to the console).
They need to go into config.txt

At runtime the LEDs can be controlled with the
/sys/class/leds/led0/trigger

Will test this later and report how it works.