Project - anti-collision strobe

 The ultimate purpose of this project is to make more people fly at night with strobe.

People should be aware that there is a drone around them, and they will assume how far it is from the strobe light. So, the strobe light will prevent collision ultimately. Even though there are already a lot of anticollision lights for DJI drones, I will deliver a product that is more affordable and easier to approach if clients are interested in Arduino. I hope more clients will fly at night without hesitation with this product.

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First of all, I thought about how to attach the strobe light to Mavic 2 pro properly, it should not be detached during the flight so I had to think about the best way to attach the strobe light and I also thought lights are supposed to go at the top of the drone is so that they are visible to any manned aircraft flying overhead and then I thought how often should I blink the strobe light by using Arduino programming to make people be aware of strobe lights.

after that I thought I should test out If it is visible or not from 3 statute miles (both front-facing and at the top)

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The requirements of the product to meet FAA


  • The strobe light should be visible from 3 statute miles.

  • The strobe light should blink between 40 – 100 cycles/minute.

  • The strobe light should be red or white.

  • The field of coverage must extend in each direction within at least 75 degrees above and 75 degrees below the horizontal plane of the drone. 

Assemble Procedure/Instructions

Arduino can handle 5v but we will use 12v strobe lights, we have to use a voltage regulator. We also need to use a diode to allow an electric current to pass in one direction so it should be installed in the right direction like this picture. The line part basically refers to (-).

We will use two registers in circuits. The first one is the 10k register, this register is a pull-down register, and it will be connected from GND. The other register is 200 Ω, it will be connected to the transistor. The reason why I used this register was I got 125 Ω from ohms law, 5v(Arduino voltage)/0.04(battery) so 200 Ω should work in the circuits. And this register should be connected to the gate of the transistor (the gate of the transistor is the left leg) like this picture.

Microcontroller Programming

Anti-collision lighting must have a strobe function that strobes between 40 – 100. I will put a delay (500), delay(400) to blink for 0.5, 0.4 seconds.

Product Testing

To test the product, I should take part 107 recurrent test and then I will fly the drone at night with the visual observer and test out If this product can be seen for 3 statute miles and have a flash rate.


Installation Instruction

I will use zip ties and stickers to attach the product to the Mavic 2 Pro. First of all, I will put a double-sided sticker on the top of the Mavic 2 Pro to attach this to the Mavic 2 Pro and then I will some zip ties to fix the product (It should not be detached during the flight)

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Operational Information

The users will attach this product to the top of the Mavic 2 pro before going to fly, with double-sided stickers and zip ties. They will turn on the strobe lights before flying drones at night.

  • They need to fully charge the battery before going to fly(the strobes light should keep working during the night flight)

  • Drones must be within the range of 55 lbs according to part 107, so they should not attach other heavy stuff on the top of drones.





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