Tiny Bluetooth low energy proximity key fob runs for a year on a coin cell
June 13, 2012 // Jean-Pierre Joosting
Nordic Semiconductor ASA has announced that Hong Kong-headquartered Dayton Industrial Co. Ltd., a leading OEM/ODM of wireless products has launched a Bluetooth® low energy proximity key fob based on Nordic's µBlue™ nRF8002 System-on-Chip (SoC) that is less than half the size of a credit card.
The Dayton production-ready product platform will allow OEMs and developers to develop a whole range of both standard (Bluetooth v4.0 profile-based) and non-standard (uniquely developed) proximity, property location and security applications ('apps') for use with devices that employ Bluetooth v4.0 wireless technology such as the latest iPad and the iPhone 4S.
The nRF8002s ULP design features peak currents as low as 13 mA and does not require an external 32 kHz crystal. Depending on the duty cycle of the application, battery life from a single coin cell-powered wireless device can extend to months or even years.
Within the latest Bluetooth v4.0 specification there are currently two profiles applicable to proximity-based property location and security. The first, the Find Me profile targets smartphone applications and allows users to pair small but commonly misplaced everyday objects with their smartphone in order to locate them via, for example, a Bluetooth low energy proximity key fob that could be used to find a misplaced phone (by pushing a button on the fob to make the phone sound an audible alert), or a misplaced key fob (by pushing a button within a smartphone app to make the key fob sound an alert).All news
Webinar: Insight into the WiFi-offload technology and lab testing
September 16, 2014
On Wednesday, 24th September 2014 at 15h00 CET, Microwave Engineering Europe and Anritsu will present a webinar titled: 'An ...
Belgium spin-off takes photonic IC design to the mainstream
Tablets to provide growth over flat PC market
Android One debuts in India, ignites next 5 billion battle
ZF swallows TRW Automotive
Is rapid charging batteries really so damaging?
September 15, 2014
Researchers from Stanford University and the Stanford Institute for Materials & Energy Sciences at the SLAC National ...
Canadian startup mutualizes iBeacon deployment costs
U.S. foundry agrees to help expand China's MEMS ecosystem
Moore's law has no end in sight
- Flexible and Low Power Driving of Solenoid Coils
- How to Protect & Monetize Android Apps
- Power Modules: The New Super Power
- Flexible Performance for Network Security Appliances
InterviewCEO interview: AMS' Laney on driving a sensor-driven business
Kirk Laney, CEO of Austrian mixed-signal chip and sensor company AMS, wants to leverage the opportunity that technology affords to create new markets for sensors and sensor interfaces.
Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
Linear video channel
READER OFFERRead more
This month, Trinamic Motion Control is offering you to win one of four TMCM-1043 development kits for its highly integrated, NEMA 17-compatible TMCM-1043 stepDancer stepper motor module.
Offering designers an easy-to-use PC-based GUI that allows one-click modification of motor drive current, micro-stepping and other key parameters, the intuitive kits are custom designed and developed for...MORE INFO AND LAST MONTH' WINNERS...
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.