Arduino Photoresistor

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Revision as of 18:02, 29 November 2024 by Mol (talk | contribs) (→‎Introduction)

Introduction

Simple code to use photoresistor or photocell or light-dependent resistor LDR.

The resistance of a photoresistor decreases when it is hit by light, or it lets electricity flow through it if light is hitting it.

Need to use a voltage divider.

Code

  • 10kohm