How to Read Analog Input Signals Into An Arduino! Temperature Sensing 'Love-O-Meter' Project!

Learn to Read from Analog Inputs like Temperature Sensors with this fun Arduino Beginner project!!

If you want to follow along with this project exactly and need the same hardware kit, you can grab it here from Amazon!
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Check out the full Arduino Tutorials Playlist on the channel for more automation and electronics content!
https://www.youtube.com/playlist?list=PLsFyHm8kJsx0wNcgdb9mSZHqwQoC9HBlc

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The name may seem a bit silly, but there are classic old-time arcade games where you grip metal poles with your hands and it would light up a series of lights saying how 'romantic' you were, usually based on how warm your hands are. These games were called love-o-meters or love testers and today we will be using that as the basic premise for our Arduino project!

The circuit build is pretty straightforward, with just a few resistors, some jumper wires, a few multi-colored LED lights and a temperature sensor called a TMP 36. Then the code really just boils down to reading the data in, processing the raw signal into a useable format, and then controlling the state of our LEDs based on heat!
We also sneak a pretty good lesson in there on how to read the resistance of a resistor based on their bands!

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TIMESTAMPS:
00:00 Intro and Description
01:06 Quick Science-y Lesson - How to Read Resistor Values
02:23 Circuit Build - LED and Temperature Sensor Setup
04:13 Programming the Love-O-Meter, Setup
05:43 Arduino Commands to Read Analog Input Temperature
06:50 Scale Raw Value for Volts and Degrees
07:51 Control the LEDs based on Sensed Temperature
08:40 Testing and Outro