The sensor allows the pilot light to be automatically re-ignited if the flame is no longer present. The circuit is a surprisingly simple one, with a PNP transistor being turned on by the flame ...

Ultra-low Power Omnipolar Hall Effect Sensors from Diodes Incorporated Deliver Market-Leading Stability Over Wide Operating Range November 27, 2018 10:00 AM Eastern Standard Time ...

Diodes has introduced to its range of Hall Effect sensor switches two low voltage Omnipolar parts that reduce power consumption in battery-powered, hand-held devices and simplify production processes.

Apple's patent application for "Organic light emitting diode having photodiodes" describes a setup that places photo sensors above, below, or in line with an OLED array to detect and compensate ...