Researchers at the University of California at Berkeley are testing a project called "Lightcense," which they developed a drone license to better monitor drone controllers. The researchers used a bright, colored LED to form a rectangular array and then bound the light to the bottom of the drone. LED lights will flash in a unique way, law enforcement officers can search the drone database according to different flashing methods, and then find the corresponding owner information.
LED licenses can be decoded by a mobile phone application, or by a camera that law enforcement personnel will be equipped with, or by the naked eye.
The researchers first used the 3D Robotics drones, which installed high-brightness electronic LEDs on the bottom (see photo). During the daytime test, the naked eye recognition distance of the license plate can reach 100 meters. If a normal zoom lens is mounted on the smartphone, the recognition distance can be extended to 150 meters.
In addition, the researchers are developing a special camera for law enforcement police to read license information. Not only that, they have also basically completed the license design, using a smart phone-sized hard case to load LED light set licenses, standard aircraft positioning beacons, and batteries. It is expected that this device will become the standard component of all drones in the future, and it will continue to operate even if the drone crashes under the protection of a solid outer casing.
LiFePO4 Battery Pack refers to a battery pack that uses lithium iron phosphate (LiFePO4) as the positive electrode material, which is a common lithium-ion battery. LiFePO4 battery has been widely concerned and applied due to its advantages of high safety, long life, high energy density, and environmental protection.
Main effect:
Energy storage: The main function of the LiFePO4 Battery Pack is to store energy and store electrical energy so as to supply electricity to electrical equipment when needed. It can store electricity from solar panels or other power sources, and then supply power at night or when solar radiation is low.
Smooth power output: LiFePO4 battery has good power characteristics, can output power smoothly, and maintain a stable power supply. It can adjust and supplement power fluctuations to ensure the continuity and stability of the power supply.
Provide backup power: LiFePO4 Battery Pack can be used as a backup power source for power outages or emergencies, providing continuous power to critical equipment.
Differences from Solar Battery Pack:
Solar Battery Pack is a more general concept that refers to the overall unit formed by combining multiple solar battery cells. This battery pack can utilize different types of battery technologies, including lithium-ion batteries, lead-acid batteries, and more.
The LiFePO4 Battery Pack is a specific type of Solar Battery Pack, which refers to a solution that uses a lithium iron phosphate battery as a battery pack. Therefore, LiFePO4 Battery Pack is a subset of the Solar Battery Pack.
In general, LiFePO4 Battery Pack is a specific type of solar battery pack, which uses lithium iron phosphate lithium battery, which has the advantages of high safety and long life and is suitable for energy storage applications of solar power generation. The Solar Battery Pack is a broader concept, including all battery packs used to store solar energy or other energy, of which the LiFePO4 Battery Pack is just one of the implementations.
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