<http://schema.org/description>
"Hella&amp;rsquo;s SENT Sensor&amp;nbsp;Hella KGaA Hueck &amp;amp; Co.&amp;nbsp;is unveiling a new line of digital sensors in late 2009 to replace analog versions, The sensors use the Single Edge Nibble Transmission (SENT) protocol: one &amp;ldquo;nibble&amp;rdquo; refers to 4 bits of data transmitted per pulse."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.autofieldguide.com/columns/on-electronics---march-2009>