Mayday Auto Deploy Board

It seems like every day there is a new video of someone’s expensive quadcopter falling out of the sky for no reason. The risks of each crash are substantial. Property, people, and the quadcopter are all at risk. You can probably imagine the costs of repairing a car’s paint job or paying someone’s medical bills. We're not saying that a recovery system can completely remove these risks, but we believe that having one can help reduce the total damage by a substantial amount (sort of like an airbag in a car.) We also believe that the continued and widely publicized failures that occur will eventually lead to even more regulation than currently enacted, creating even more barriers for substantial progress in this industry.


You can program the Mayday to do a wide range of servo release motions to protect against a crash. This allows it to be used with almost any recovery system on the market.

Built like a brick wall.

Unlike many other RC/Multirotor products, the Mayday is fully input protected. What good is a safety device that can't protect itself? Since it is fully input protected, we can do space saving things like putting the servo connector right next to the battery connector.

Simple to Install.

Simple two cable interface and mounting makes installing Mayday a breeze.

Works as a standalone device.

The Mayday can be used all by itself without any connections to a flight controller. Connect the parachute release servo to the Mayday board then connect a small battery, and you're ready to go! Connecting the Mayday to your flight controller adds an extra level of control when flying. For example: You are about to do something totally unexpected and new, like a flip, and you want to make sure Mayday doesn't fire on accident. Simply adjust your RC servo input to the lower PWM range to tell Mayday not to fire and to try learning this new motion. Or adjust your RC servo input to the upper PWM range to override Mayday and to fire a recovery system.

From super charged rigs to power and play. Mayday works everywhere.

Mayday can work with any and every multirotor setup seamlessly. Because it uses machine learning to determine what your normal flight pattern is, you can use Mayday without having to enter in a ton of data or set certain perimeters for it to trigger by. Just power and go. Simple!

Tech Specs:

Plastic Case:Made in the U.S. the shell is a special lightweight polymer perfect for flight applications. The acrylic top plate is also made in the U.S. and will be laser cut at the San Francisco Techshop. The acrylic top plate is made from a special UV blocking blend called OP3 Acrylite which is stronger and more scratch resistant than glass!

Weight:Mayday will weigh around 0.5oz (14.1g)

Size:Length 3(cm) 1.18(in) Width 3(cm) 1.18(in), Final height will be between 1(cm) to 1.2(cm) (0.4 in)


Li-Po battery range: 1S, 2S, 3S, 4S
Voltage range: 3v - 17v

You can easily use it with any RX channel capable of driving a servo. Our devices are made to guarantee functionality at these specs. By using the max or min voltage you will not be compromising the longevity or effectiveness of Mayday.
Sensors:The Mayday uses more sensors than the average smartphone. Onboard it has a high-resolution Altimeter to detect relative altitude, a 3-axis Gyroscope for rotation speed, 3-axis Accelerometer to detect angle and gravity, and a 3-axis Magnetometer to for angle and heading relative to magnetic north. No more buying separate IMUs that might not even work with your board.

Mayday vs Manual Release.

Some of the most commonly used multirotors on the market don't possess the functionality to add a parachute release to them, and if they do, it’s very limiting and prevents you from using something else like a camera gimbal.

In most of the crashes we analyzed, we found that mechanical failures were pretty rare, and that it was much more common for a battery connector to come loose, a flight controller to reset, or a complete power system failure to occur. All of which can prevent a manual release.

But it’s not about humans doing it better than machines. Humans, for the foreseeable future, will always be better at making certain decisions when compared to a computer. Mayday is not about beating or outperforming human intelligence. Mayday is about getting this technology (UAS, Quadcopters) to the point where we can trust it to carry out tasks autonomously; and to do it on a large enough scale to where it would be ridiculous for a human to monitor a single system in case of a crash.

For those that are still not convinced, Mayday does have a manual override and suppression input for those who still want some autonomous protection but want to be more in control.

Can it be updated? What if there is a glitch?

We are working on a computer program to allow for easy updates and setting changes to the Mayday via USB.

Side note:We also have plans to use this software as a way to show usage stats and to increase our crash data knowledge base. This will allow us to detect patterns and possibly be able to spot warning signs, preventing a crash altogether.



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