Integration & Control Logic

PWM input controls the strobe’s behavior in real time.

Mode

PWM Sent

Drone State

LED Pattern

Color

Mode 1

1200 µs

Disarmed / Idle (default)

Solid ON

Hall-selected color

Mode 2

1000 µs

Armed

Blink once (200 ms), pause 1.5 s

Hall-selected color

Mode 3

1800 µs

Battery voltage low or failsafe

Blink twice (2× 200 ms), pause 1.5 s

Hall-selected color

Mode 4

1900 µs

RC override active (manual trigger)

Rapid red flicker (alert mode)

Forced red

Color Switching with Hall Sensor

  • Pass a magnet over the Hall sensor to cycle LED color:

    • Green → Red → Blue → White → Green....

Use Cases

  • Night flying / Visual ID

  • Failsafe Indication

  • Custom payload activation

  • Hobbyist builds using RC gear only

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