Serial Plotter is an amazing tool available in Arduino IDE ... you need to program Arduino to read a sensor and direct the data to the Serial Port. Here, a standard light-dependent resistor (LDR) is ...

At one end is an LED and at the other the LDR, and when attached to a glove it provides a finger sensor without the fuss. ... and with a simple divider circuit a voltage can be read by an Arduino.

The standard Arduino libraries (common for beginner Arduino projects) as well as wide list of contributed libraries can be found within the Arduino IDE itself.In Arduino IDE 1 (specifically v1.6.2 ...