When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can buy an ...

The build produces a color sensor using an RGB LED and a CdS photocell by retrieving color using Arduino. The build produces a color sensor using an RGB LED and a CdS photocell by retrieving color ...

While choosing an op-amp buffer for a new high-resolution single-supply DAC, a source of negative supply was considered because the buffer op-amp had to provide true zero voltage on its output. Wow ...

Recently there has been growing interest in the role of coherence in electronic dynamics. Coherent multidimensional spectroscopy has been used to reveal coherent phenomena in numerous material systems ...

Most ways of collecting images are based on the contact of light with materials. Film cameras catch images on light sensitive film that is developed into pictures using special processes. Digital ...