With the introduction of the MC34940 sensor, Freescale expanded its line of electric-field (E-field) ICs beyond its current crop of automotive sensors to encompass appliances and industrial control panels. The single-chip IC generates a low-level electric field and then detects changes in that field and therefore, in essence, is a capacitance-based sensor. The new model offers a 33 percent smaller package size than some earlier versions and incorporates a bigger pitch for easier assembly. It can be used for proximity detection and three-dimensional E-field sensing. It can also trigger functions, such as turning switches on or off, or setting off alarms to indicate dangerous situations for devices such as coffee pots, hair dryers and lawn mowers. For more information on the MC34940 sensor, go tohttp://rbi.ims.ca/4928-501.
Days after a massive, distributed denial-of-service attack took down dozens of major websites around the country, ARM Holdings plc is rolling out a pair of new processor architectures aimed at shoring up IoT security.
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