Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

Abstract: This study provides methods of measuring the distance between the human eye and an object using an infrared distance sensor. The method provides a smart way to monitor subjects near or far ...

White House responds to Spain closing airspace to US military Video: Man tries pushing person in front of train Elon Musk is escalating his feud with a Delaware judge over a 'heart' on a LinkedIn post ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

A light source and photosensor combine for effective, reliable, non-contact proximity detection of nearby objects. Part 1 of this article looked at the principles and three basic approaches to optical ...

Laser Proximity Sensors use laser beams to detect the presence or absence of objects within a certain range. They are used in security systems, robotics, automation, and industrial processes, where ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Ultrasonic sensors are unique devices that harness ultrasonic waves to measure distance, detect objects and analyze material properties. Their distinctive mode of operation, advantages and ...

Raspberry Pi enthusiasts wanting to connect their projects to the Arduino Cloud using Python might be interested in a guide specifically created by the official Arduino team. Raspberry Pi GPIO control ...

Social distancing among people is vital in minimizing spread of COVID-19 within community and can be effective in flattening the outbreak. This research work focuses on developing a close contact ...