Abstract: ‘Photoplethysmography’ (PPG) is an approach that uses light to monitor changes in blood mass within tissues due to systole and diastole. The resulting blood volume signal can be utilized to ...

A YouTube builder shows off how he created an Arduino board that's 7x larger than the real thing... powered by a hidden ...

✦ All the info you need right here ✦ In this occasion I'll make a lighting system to be controlled remotely from my rc using Arduino compatible boards, they will take the input from a receiver and ...

Description: Using an Arduino or a micro controller, we can generate cool-looking patterns with an led strip containing ...

Abstract: The modeling of spectral characteristics of light-emitting diodes (LED) has been addressed in various studies. We extend the current state of knowledge by modeling the spectral ...

UGREEN's DX/DXP NAS Series covers 2 to 8 bay NAS devices with a built-in system based on OpenWRT called UGOS or Debian called UGOS-Pro. Debian Linux or dedicated NAS operating systems and appliances ...

Is the Arduino Uno Q the missing piece in your next project? With its hybrid design that fuses the precision of a microcontroller with the flexibility of a Linux-based single-board computer, this ...

University of California, San Francisco investigators measured smartphone app activity during school hours among US adolescents and reported an average of 1.16 hours of use, with social media apps ...