SENSOR COMBINATIONS AND MINIATURIZATION

New sensor combinations are emerging in the sensor market as combining those cuts the overall costs of the sensors. Putting several sensors on a package, such as accelerators and gyroscopes is becoming more commonplace. Miniaturization is an interesting trend. Miniaturization of sensors is enabling some of the innovative sensor packaging and devices. Innovations in gaming, such as in the X-Box Connect, which brought in multiple types of sensors to deliver rich fidelity, are moving into mobile devices as well. Traditional fitness is seeing the same thing as key vital signs and biometrics are becoming visible. Miniaturization of sensors combined with enhanced fidelity of devices allows product manufacturers and service providers to experiment with devices and offer compelling and fulfill compelling and specific needs. Bosch MEMS sensor: Bosch has rolled out a MEMS sensor that combines pressure, humidity, and temperature measurement in a single component. The BME280 is aimed at handsets and wearables where it is to be used for greater control as well as sports and fitness use cases. Its humidity sensor measures relative humidity from 0 to 100 percent and from -40°C to +85°C with less than 1 second of response time. The humidity measurement accuracy is plus or minus 3 percent, with a hysteresis of 2 percent or more, and a temperature reading accuracy within half a percent Celsius. The device’s pressure is intended to offer floor-level tracking for indoor navigation. The relative accuracy of pressure readings is plus or minus 0.12 hPA, which equates to plus or minus 1 meter of altitude difference at a resolution of 1.5 cm. The device comes with I2C and SPI serial digital outputs. Its packaging measures 2.5mm by 2.5mm with a height of 0.93mm in an 8-pin LGA package. More

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