Time-lapse photography is a photography technique that takes an image or video at a lower frame rate and then plays the picture at a normal or faster rate. Generally, in the case of a handheld camera, no one can aim at the same position, and without the help of a tripod, the combined image will not only shake, but will appear to jump up and down, left and right. Thorsten Lorenzen, an engineer at Texas Instruments, used electronic technology to solve these problems and brought new market opportunities.
Thorsten Lorenzen is using his DIY knowledge and skills to create miracles.
All of this was done in his spare time in the studio next to his residence.
The source of the story has to be traced back to last year. Maik, an old friend of Thorsten, is a professional photographer. In an accidental conversation, Maik invited Thorsten to help design a small device that would allow him to use his existing equipment for time-lapse photography. Out of interest, Thorsten agreed to design a time-lapse photography system for him.
"I have always had a soft spot for designing small embedded systems. I am very excited to devote myself to the development of a new system, such as technical parameters, conceptual planning, mechanical structure, PCB design, soldering, programming and testing "Wait," he said. "Designing such fascinating systems adds a lot to my life."
Mechanical slider
Thorsten first built a mechanical slider equipped with a TI DRV8412-C2 motor driver for this project, and at the same time fixed a camera on the slider and set it to move on the slider in different orders. This motor drive allows the camera to stay in a precise position while moving along the slider.
In addition, he also used a C2000 processor in the design, and constructed a controller that can activate the camera's photographing function at a specific location.
"Without a mechanical system, it is impossible to achieve time-lapse recording," he said. "Compared to man-made, this system has more reliable stability in shooting, and it is completely automatic."
Thorsten said that compared to the low-cost systems available on the market, his photographer friends were shocked by the features that modern technology can achieve.
"Maik especially likes the programmability of the system, because with this feature, he can set up according to different scenarios. He even thinks that this system may bring new market opportunities." Thorsten said, "In the current market , Photos and video clips in commercial applications such as implantable ads need to be more colorful, thereby attracting the attention of customers and consumers, and more sportiness can add more emotional color to the work. "
About Thorsten
Thorsten joined TI 5 years ago and currently serves as a Senior Field Application Engineer (FAE) in the European Automotive Advanced Driver Assistance System (ADAS) business. He is primarily responsible for vision-based DSP systems and provides consulting and advice to customers. Because of frequent business trips, he rarely had time to design in the residence's studio.
"This rare opportunity has given me the opportunity to experience being a TI customer. I have never worked in motor control-related work at TI," he said. "With this opportunity, I personally feel how customers use TI products. To start a brand new project, this experience is truly unparalleled. "
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