klipper.gcode

    {% set target  = params.BED_TEMP|int %}
    {% set current = printer.heater_bed.temperature %}

    {% if current < target - 20 %}
    G4 P{ 5 * 60 * 1000 }       #Milliseconds to dwell
    {% else %}
    G4 P{ 1 * 60 * 1000 }
    {% endif %}
    G92 E0               # Reset Extruder
    G1 Z2.0 F3000        # Move Z Axis to travel height
    ACCEPT
    SET_PIN PIN=my_led VALUE=1
    G4 P2000
    SET_PIN PIN=my_led VALUE=0