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Arduino heart rate monitor using Pro Mini PulseSensor and OLED for beginners
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 ...
WiFi and Bluetooth LE can now be used simultaneously on Arduino boards with NINA-W102 (ESP32) module
Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...
The rapidly-improving speed and versatility of digital computers has mostly driven analogue computers out of use in modern ...
It’s one thing to create your own relay-based computer; that’s already impressive enough, but what really makes [DiPDoT]’s ...
Researchers at DTU have developed a nanolaser that could be the key to much faster and much more energy-efficient computers, phones, and data centers. The technology offers the prospect of thousands ...
LED masks seem to be the “it” skin care device of the moment. In general, they’ve been shown to stimulate skin’s collagen and elastin production using specific wavelengths of light, which correlate to ...
LED face masks have officially crossed over from in-office facial treatments to a part of everyday skincare routines. Red light therapy masks and blue light acne LED devices are now widely available ...
Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap the benefits without booking a professional treatment.
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