LDR sensor tutorial with Arduino – Light Dependent Resistor

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Learn how to use an LDR (Light Dependent Resistor) with an Arduino. In this video we’ll go over the basics of the Light Dependent Resistor and an example on how to use an LDR to turn on a light when it’s dark.

*Note that the LED flash used in this example is a ready-to-use component with a built-in resistor, which is why a separate resistor is not needed.

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Where to buy [Amazon Affiliate]:

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Chapters:
0:00 Intro
1:36 LDR Module Circuit
2:14 LDR Basic Circuit Equations
4:54 LDR Darkness Sensor - How it works
8:31 LDR Darkness Sensor - Breadboard Diagram
9:18 Arduino Programming
11:45 LDR Darkness Sensor with Arduino - Test
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Where to buy [Amazon Affiliate]:
Breadboard (Elenco 9440): hhttps://amzn.to/4b5Onzq

Super bright LED Flash:

diyengineers
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The fact you actually explain it with equations is why I’ve subscribed, thanks!!

chimeranzl
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