This motion detector alarm can detect a moving person from a distance of 1 meter. It uses a dual IR Transmitter-Receiver module HOA1405. When the sensor detects the reflected IR rays, alarm will sound ...

[Arao] wanted to measure the RPM of a spinning wheel using parts that he could scavenge from his junk box. A bit of thought led him to build a reflective sensor which can measure the spinning of a ...

Once you have a track and a kart to race on it, what’s missing? A lap counter that can give your lap times in hardcopy, obviously! That’s what led [the_anykey] to create the Arduino-based Lap Timer to ...

Hamamatsu Photonics introduces a new Photonic Integrated Circuit (Photo IC), P13567-02CT, with applications as an optical moisture detector. This sensor integrates an InGaAs PIN photodiode and a LED ...

1300-1650nm light source and photodetector integrated into one package SHIMOTSUKE-SHI, Japan--(BUSINESS WIRE)--Kyoto Semiconductor Co., Ltd. (President and CEO: Yoshihisa Shinya, Headquarters: ...