In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

One of the latest ad­di­tions to the ex­tens­ive range of Baumer sensors is the NexSonic UF300, an ultra-compact 18mm flat ultrasonic sensor with a 3-meter sensing range and ideally suited to ...

A new technology has been developed that enables cuffless non-invasive blood pressure monitoring by using ultrasonic to track real-time changes in vascular diameter—without the need for a traditional ...

With Christmas a little over two weeks ago, one might be scrambling to find a gift for a loved one, friend, or family member. If you’re familiar with Arduino or Raspberry Pi and have a free weekend, ...

A multi-agency search found a missing 86-year-old man with dementia after nearly four days using drone infrared sensors. Project Lifesaver, a free program, uses radio frequency bracelets to help law ...

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 ...

Ultrasonic sensors measure the distance between a target and the sensor using high-frequency sound waves that are inaudible to humans. The process is simple: the sensor emits ultrasonic waves, which ...

Northwest U.S. utility Puget Sound Energy (PSE) has joined with Norway-headquartered Heimdall Power on a dynamic line rating (DLR) pilot project in Washington state. The companies on October 22 said ...

In addition to knowing if a neighborhood is experiencing active flooding, it helps to have a bit more data. How regularly do these events occur? Is flooding expected based on the forecast? “The sensor ...