In this particular case, it’s a DIY USB polygraph-like machine by [Juangg] using an Arduino and sensors on the hardware side, and a Python front end for data visualization. It’s even complete ...

When something passes in front of a PIR sensor it detects ... connects to Arduino Digital 2 The code for the active low Sparkfun style motion detector looks like this. int motion_1 = 2; int ...

The Pressure Sensor Module incorporates a material called Velostat with the Arduino. This material adds more resistance when more pressure is applied to the material. This module also uses the RGB LED ...

The Arduino Wire library is a core aspect of Arduino's integrated development environment, or IDE, and is a must-have if you're using sensors or extra microcontrollers in your project. Like ...

The circuit is extremely simple, comprising the sensor, an Arduino Nano ... so what’s not to like! Take a look at the video below the break for the full story. Surprisingly such projects ...