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Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...
The sensor shown here is essentially two plates mounted side-by-side, attached to an Arduino Nano using the Capacitor library which uses just two pins, one digital and one analog.
Using motion detectors and an Arduino you can trigger lights, fans, ... Here is the Arduino code for the Parallax sensor. int motion_1 = 2; int light_1 = 13; void setup() ...
After some searching, I ended up using a microcontroller and a piece of code borrowed from the web that I tweaked and adapted. The microcontroller-based concept was chosen because I wanted to scale ...