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 ...

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...

Recently, ‘Liquid crystal display (LCD) vs. organic light-emitting diode (OLED) display: who wins?’ has become a topic of heated debate. In this review, we perform a systematic and comparative study ...

One of my favorite parts about my job is my ability to test new things and push the limits of my comfort zone with a new piece of tech. When I take on a review, I need to do my best to integrate that ...

Philips Hue's latest Bridge Pro includes handy motion sensing and soothing colors that push it to a solid recommendation, ...

How often have you pulled out old MCU-based project that still works fine, but you have no idea where the original source ...

Major iPhone updates like iOS 26 typically come with hundreds of new features and changes, but a much smaller subset that become daily go-tos. Here are four new iOS 26 features I’ve found myself using ...

Apple is experimenting with various devices with foldable displays, including a MacBook. You might immediately want to point out that the MacBook is already foldable, but what we're talking about is ...