In order to help his friend prepare for a talk at DEFCON this weekend, [Craig] built an IR photodiode amplifier circuit. The circuit extended the detection range of the hack from a few inches to ...

Professor Seunghyup Yoo's research team of the School of Electrical Engineering developed an ultralow-power carbon dioxide ...

For the existing photoelectric smoke detector, an infrared light source and a light-sensing photodiode are placed in opposite ...

A group of South Korean researchers has developed an intelligent fire detection technology that drastically reduces the false alarm incidents, which go off in the absence of a real fire, and is on the ...

The research significantly enhances the trade-off between absorption layer thickness and quantum efficiency in traditional photodiode designs. The new photodiode achieves a quantum efficiency ...