Author: Bosch Sensortec GmbH, director of marketing of optical microsystems Frank Fischer
The Internet of Things (IoT) is transforming industries and enabling strong business applications, but what impact does this have on the consumer community?
Imagine a world like this: fewer light switches, buttons or liquid crystal displays; the world is based on dozens of sensors and complex control systems; intelligent thermostats or service robots constantly listen and respond to our needs, providing us with intuitive, reliable, Ubiquitous service. This is the future - the world of the Internet of Things.
These devices help us control our environment and respond to increasingly complex modern lifestyles. This is a true anti-intuitive concept that simplifies life through more sophisticated techniques. In this case, the Internet of Things User Interface (UI) plays an increasingly important role in determining the type and amount of user input, as well as the type, scope, and form of feedback obtained from technical devices.
However, we essentially watch the world through one or more screens. For example, almost everyone has one or even a few smartphones. Of course, in many cases, smartphones provide a very powerful user interface for accessing a small number of active processes in the IoT space. However, we anticipate that in many cases, the user interface will be "stealth" in the real and tangible world around us, appear when needed, and remain hidden when not needed.
If our device can project virtual interactive objects directly from the digital space to the real world, this is an exciting innovation! It will greatly expand our range of interactions through the "Mixed Reality" and "Internet of Things" domains!
Sensors, devices and IoT applications abound in the world, but we firmly believe that the way we interact with technology is undergoing a silent revolution. In the coming decade, we foresee that interactive laser projection will fundamentally change our current user interface concepts and the way we interact with the world. What's exciting is that interactive projection is now more than just a movie screen, and Bosch Sensortec's BML050 micro scanner has made it a reality.
Figure 1: Bosch Sensortec's BML050 micro scanner enables interactive projection. (Source: Bosch Sensortec)
Make the user interface simpler, more flexible, and more fun!
For example, a standard consumer appliance like a coffee machine. One would think that it would be difficult to improve a well-built kitchen appliance. However, consumers are always looking for new, stylish and distinctive products. If the virtual user interface, menus, pictures, and information can take the brewing process to a new level? After the appliance has a laser-projected virtual user interface, the appearance can be significantly streamlined, and buttons, knobs, and LCD screens are gradually giving way to this novel, software-based interaction. Consumers like to experience soft colors, as well as simple, smart and intuitive features, the function of home appliances should not be limited to espresso or toast. Appliances must be impressive and must be praised by consumers. The integration of a programmable virtual user interface into our appliances will make more complex appliances (such as washing machines and microwave ovens) easier to use, giving users the flexibility to set up specific programs designed for specific tasks, such as built-in recipes. Timed cooking program. This opens up a series of user-centric features and has a large market for early adopters. The visionary manufacturer knows this very well, and the BML050 micro scanner perfectly meets their needs.
Controlling complex functions is sometimes quite complicated. High-end fully automatic coffee machines have so many features and features that the user manual may be more cumbersome than navigation during peak hours in Shanghai: buttons, pop-up or drop-down menus, sliders, dials, knobs, lights, buzzers, radio tuning What is the need for us to have a cup of coffee?
Interactive projection completely eliminates physical input/output components and radically simplifies the operation of the coffee machine, toaster or dishwasher. Appliances and equipment are smaller and more intuitive, product design has more possibilities, and the appeal to consumers has also increased. The user interface generated by the projection can dynamically adapt and respond to specific user tasks, displaying only information about related tasks. This means that complex and variable content is visualized in a simple and easy to understand format. The coffee machine can now project large, clear images onto any surface, such as a kitchen counter or table. Users simply click on the projection button or menu item to set their favorite coffee style, for example, light, normal, and concentrated; cappuccino, latte, espresso, etc.; small cup, normal or large cup . It's all so simple and convenient. In addition, the system's intuitive accessibility features continue to accompany the user's interaction with the technology, making everyday tasks easier, easier, and more fun.
Figure 2: Simple and convenient: Use the interactive user interface to choose your favorite coffee. (Source: Bosch Sensortec)
Even if the user interface is blocked or soiled while cooking, it still works. There is no greasy fingerprint on your carefully polished appliances, so you don't have to touch the appliance yourself, your appliance will be kept clean. In addition, users can watch recipe videos on a virtual screen or chat with friends using a virtual keyboard.
Interactive projection in practice
To be realistic, Bosch Sensortec has developed the BML050 microscanner, which has two MEMS mirrors that, when integrated into a complete projector reference design, project RGB color laser images onto any surface.
In addition to laser projection, the BML050 also has the necessary gesture sensing capabilities. By measuring the optical feedback of the illuminated object, the system can detect any interference between the user and the projected content. Since optical feedback is directly determined by the projected light, calibration between the projector and the detection is not required. The user simply opens and presses a virtual button!
Internet of Things window
Obviously, our mission in this area is not just to innovate brewing coffee. The truth is that hybrid reality based on interactive projection will be used in a variety of devices, only the design engineer can't think of it, no technology can't.
In addition, the user interface environment consisting of dozens of individual LCD screens and buttons is complex and does create obstacles for a wider range of IoT applications. Consumers simply can't cope with the more screens and buttons that are installed in the home. Interactive projection provides a way to create an on-demand interface that provides larger, clearer, and more intuitive control components that are hidden when not needed. The expected result is that the home will no longer accumulate more messy screens and control panels, and we take a “clean wall†approach, giving you a connected world with fewer optical switches, buttons or LCD screens.
The characteristics of equipment such as cooking appliances or service robots will lie in the simple design concept. Product availability will be greatly enhanced, and manufacturers can add more value-added features to their products without being limited by the physical interface.
For the consumer, a context-sensitive, menu-oriented user interface will bring significant advantages. Users can throw away paper-based user manuals, as intuitive help will always provide guidance through the user interface, including video and images when necessary. Visual interpretation makes the device more convenient to use, especially for users who don't want to read the manual, or older people or children who don't know how to start using the new service robot. Interactive projection will complement the voice-controlled user interface that is currently penetrating the consumer electronics market.
Furthermore, projected images are not limited to user interface functions. It will be used to play video and project graphics and text, such as recipes and cooking videos on YouTube. It will also be able to access social media or enable users to make video calls with neighbors, family and friends.
Figure 3: Using the service robot for the elderly: The virtual user interface provides clearer and more intuitive control elements.
Wearable and more possibilities
The story of innovation in the field of home appliances has just begun. Interactive projection will also find many market segments in wearables and other portable devices. Users want a lightweight and lightweight device, and they also need a large screen to manage increasingly complex applications. Interactive projection will play a key role in solving this problem. The BML050 micro scanner is compact enough to fit in a portable smart device.
Microscanners are most likely to be used extensively in games to fuse projected images onto real objects. Of course, the navigation program is a natural match, and the word “just know†can be used to get a new interpretation.
With the further development of this technology, new applications beyond our imagination will emerge and soon become a part of our daily lives. Perhaps in a few years, smart glasses with a small interactive MEMS projector in the frame may be available on the market. The projected image on the lens provides information or augmented reality to the wearer.
Compact module
Although the above concepts are still in the planning argument, the MEMS mirroring technology used in it has gone beyond this step. The BML050 micro scanner is small and powerful, suitable for mobile and battery powered devices. With advanced speckle suppression and precise control of MEMS lenses and laser diodes, this device delivers excellent projection quality. The projection does not require focusing, and the vivid laser color exceeds the natural color perceived by the human eye.
This miniature scanner is a fully aligned, ready-to-use standard solution that includes all MEMS lens and control circuitry, laser and laser drivers, and power management in a single compact package. Information on how the BML050 works can be viewed on the Bosch Sensortec YouTube channel.
The distributor has not yet obtained a reference design. Once the reference design enters the channel promotion phase, the Bosch Sensortec website will issue an announcement.
Figure 4: A ready-to-use projector reference design with a BML050 pico projector. (Source: Bosch Sensortec)
Conclusion
With the Bosch Sensortec BML050 pico projector, engineers will transform the way we create new user interfaces in many products. Interactive projection will make everyday life easier and more exciting for consumers and remove many of the existing barriers for IoT applications. We are very much looking forward to understanding how designers will use them, and we can already foresee an exciting era of innovation!
MEMS sensor - the foundation of the Internet of Things
As a leading Internet of Things (IoT) company, Bosch offers innovative solutions for smart homes, smart cities, mobile internet and connected industries. The company leverages its expertise in sensor technology, software and services, as well as its own IoT cloud to provide customers with a one-stop interconnected cross-domain solution. Bosch's strategic goal is to create solutions for connected lives.
Smart MEMS sensor technology allows our homes, cities, vehicles and workplaces to be perceived and connected. With the advent of the Internet of Things, more and more devices will be interconnected, which poses a serious challenge for MEMS sensor technology. In addition to low cost, small size, low power consumption and overall system performance, MEMS sensors must meet more requirements. More demand.
Bosch Sensortec offers a broad portfolio of MEMS sensor and actuator solutions that are well positioned to meet these challenges and meet the needs of the IoT market.
About Bosch Sensortec
Bosch Sensortec GmbH, a wholly owned subsidiary of Robert Bosch GmbH, develops and supplies custom MEMS (Micro Electro Mechanical Systems) sensors and solutions for smartphones, tablets, wearables and IoT products. The portfolio includes 3-axis accelerometers, gyroscopes and geomagnetic sensors, integrated 6- and 9-axis sensors, environmental sensors, and a comprehensive software portfolio. Since its inception in 2005, Bosch Sensortec has become a leader in MEMS technology in these markets. Since 1995, Bosch has been a pioneer in the field of MEMS sensors and a global market leader. The number of MEMS sensors sold to date has exceeded 8 billion. One of every two smartphones in the world uses Bosch Sensortec sensors.
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