Piezo-resistive pressure sensors from Rohm are claimed to have class-leading pressure accuracy and stable measurement at both low and high temperatures due to a built-in temperature correction function.
Wearable
Rutronik supplies buzzer small enough to wear
Distributor Rutronik offers what is believed to be the world’s smallest buzzer, the KSSGI3J12-A from Kingstate. The small architecture makes it suitable for wearable and portable devices, says the company.
Measuring only 4x4x2mm, the buzzer has high frequency 4,000 ±300Hz and has a rated voltage of 3V op with a minimum SPL of 70dB. It does not contain hazardous substances, making it an efficient, thin and heat-resistant component suitable for wearable and portable devices, car and home electric, GPS navigation devices, as well as for consumer products, hand held, office and medical equipment.
http://www.rutronik.com
Fitness tracking reference design is for smartphones and wearables
In Las Vegas, at the CES (Consumer Electronics Show) this week, MegaChips announced a partnership with Bosch Sensortec to provide a complete reference design for use in smartphones, wearables and other personal devices to monitor activities in real-time. The Chignon B reference design provides both context and location awareness for health, fitness and indoor navigation monitoring and tracking applications.
NFC sensor transponder is programmable and ISO 15693-compliant
Designed for industrial, medical, wearables and IoT applications, the RF430FRL15xH NFC sensor transponders are the industry’s first programmable, ISO 15693-compliant 13.56MHz sensor transponder, claims Texas Instrument. The SoC integrates a low-power microcontroller with non-volatile FRAM with the NFC interface with a programmable microcontroller, an ADC and SPI or I²C interface. The dual-interface NFC sensor transponder is optimised for use in passive (battery-less) or semi-active modes for extended battery life in consumer wearables, industrial, medical and asset tracking applications.
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