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.
These new 3D-printing technologies and printers include some that are truly boundary-breaking: a sophisticated new sub-$10,000, 10-plus materials bioprinter, the first industrial-strength silicone 3D-printing service, and a clever twist on 3D printing and thermoforming for making high-quality realistic models.
Ear-based heart-rate monitoring gained momentum recently, as sensor maker Valencell Inc. announced it has licensed its biometric earpiece technology to Samsung Electronics Co. Ltd for use in so-called “hearable devices.”
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