Vishay Intertechnology has introduced a light sensing development kit that allows engineers to measure and display ambient illumination, tune the sensor, define their software program responses, and complete a hardware layout. The development kit supports Vishay's recently introduced ambient light sensor portfolio.
The sensor board includes the ambient light sensor chosen to be evaluated by the customer, an analog-to-digital converter, and I²C interface. The adapter board converts the I²C output from the sensor board to the RS232 interface for direct PC connection. With the direct PC connection, development engineers can use the sensor and adapter board combination to quickly define system responses to various lighting conditions. To reduce prototype development time and cost, they can integrate the sensor board, connecting the I²C interface directly to their product's controller.
The kit includes Windows-based software that displays the ambient illumination in a variety of formats including lux, microamps, voltage, decimal, and hexadecimal. In addition, a bar graph displays the ambient light in lux. There are two data sampling modes: continuous sampling at user defined intervals and single or trigger mode where a single data reading is taken.
Vishay's ambient light sensors help reduce power consumption in consumer electronics applications by controlling keypad backlights and adjusting the brightness of LCDs.
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