About

Near Field Communication (NFC), a technology for short range wireless connectivity, is becoming a popular feature of mobile phones and tablets.

This website has been created because I believe that NFC technology will become part of our everyday life in the near future.

This is a place for
1. NFC fans to discuss their ideas and visions
2. new developers to learn and explore
3. NFC stake holders to promote their products and services

See my video on NFC three modes and my interview by CNTV

Hsuan-hua Chang, MSCS, MBA
www.linkedin.com/in/hsuanhuachang

@hsuanhuachang
425-753-7271

JCP1

 

Recent Posts

2019 Sensors Expo and Conference

The Sensors Expo and Conference is held annually at the San Jose McEnery Conventional Center. This year, over 7000 attendees and 300 exhibitions met, networked, learned and shared the latest sensor technology and applications on June 26th and 27th.

Sensors are the core elements for Internet of Things (IoT). They can be embedded in new hardware equipment; i.e. a green field, or attached to the existing ones; i.e. a brown field, in order to collect, exchange, and analyze data. They are embedded within airplanes, cars, medical devices, industry production lines, health care or lab equipment, wearables, mobile devices, oil refineries, and heavy machinery. Their missions can be critical; for example, 737 MAX faulty sensor caused the system to push down the jet’s nose, consequently costing 346 lives in two separate crashes.

During the Expo, I learned that Smart sensors can even calculate position data without GPS/GNSS, thereby reducing power consumption. I also learned how embedded intelligence is achieved, using MEMs sensors to turn warbles into users’ daily companions through ultra-low power, high accuracy, small size and smart integration [1].

In another session, I discovered that SST Wireless designed and implemented quite a few industry sensors, including the Duo pressure and temperature sensor to support sewer operational efficiency by monitoring the pressure readings of the pumps to identify where clogs are forming as a result of the grease from restaurant dishes [2].

In 2025, half of the world population will be living in water-stress areas. There is presently work being conducted on smart sensor platforms for real-time water monitoring, detecting heavy-metals pollutions or even bacteria [3]. There are also sensors monitoring the air quality, but a lack of standards has led to poor performance of the sensors (an issue that is currently being addressed) [4].

A new open specification initiative is underway to achieve plug-and-plan interoperability for Industrial IoT. There was a session described the effort on security, open standards interoperability, and leveraging existing interfaces for the initiative[5].

With the rapid growth of IoT, sensors have gained more traction than ever—in some cases, life or death. At the same time, the improvement of sensors technology creates many more opportunities for smart systems and applications from consumer goods to industrial usages and from smart buildings to smart cities.

This was a very informative expo and in the next blog, I will share the pre-conference learning.

[1] A session of MEMS “A Dive into the Latest MEMS Pressure Sensors for Wearable & IoT Applications” by Jay Esfandyari.

[2] A session of Wireless industrial Sensors: A journey of Innovation & Discovery by Christopher Chong.

[3] The internet of Water: Insights in Water Quality Using Larget-scale sensor networks by Marcel Zevenbergen

[4] Measuring Air Quality: Solutions and Pitfalls in Particulate Sensors by David Pariseau

[5] Moving toward Industrial IoT Plus & Play: Standards Advancement for IoT Sensors by Doug Sandy

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