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James “Bob” Biard, born 1931, is an American electrical engineer who holds 72 U.S. patents, including the GaAs infrared LEDs, the optical isolator, the Schottky transistor, and...
Tiny LED lamp Using LiFi technology LED bulbs send data into visible light instead of the radio waves used by traditional wireless technology like WiFi Image courtesy of Gina Haubge Flickr
With the visible spectrum largely untapped, a few startup companies are taking new Li-Fi products out of laboratories and putting them into computers, smartphones, and even IoT...
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The ability of an ambient light sensor to closely match a photopic response is key to maximizing human-machine interaction, extending the life of an electronics system, and improving...
Because smartphones hold a large amount of personal information manufacturers are investing in stronger security measures such as fingerprint scans and iris scanning authentication Image courtesy of Fujitsu Limited
Fujitsu recently revealed a smartphone that uses an infrared light-emitting diode to support iris scanning authentication.
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Using a simple PIC microcontroller and small program, a bicolor (red/green) LED can be controlled and directed to indicate measured voltage from 0 to 5 V using a simple pulsed...
The algorithm in this microcontroller design this design drives an LED matrix and provides digitalvoltagereadout and barlike dot displays showing dots for a graphical output if the input value is changing and switching automatically to displaying a numeric value when the input voltage is stable
The algorithm in this microcontroller design drives an LED matrix and provides digital-voltage-readout and bar-like dot displays, showing dots for a graphical output if the input...
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According to Green Watt Power, a division of Calex Mfg. Co., its 18-W GLCA series of constant-current LED power supplies offer a more compact solution over the company’s standard...
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Green Watt Power’s 20-W GLCT series of constant-current dimmable LED power supplies offer a compact solution for Triac/ELV dimmer-compatible LED driver applications.
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PCIM (Power Conversion Intelligent Motion) is Europe's leading meeting-point for specialists in power electronics and its applications in intelligent motion, renewable energy ...