LED Circuit with Switch and Potentiometer

LED Circuit using Potentiometer - STEM activities
Lesson Details
How to control the brightness and the state of a LED using a potentiometer and a switch?

Activities:

  • Making a circuit to control an LED's brightness using evive's potentiometer.
  • Making a circuit to control an LED's state - (ON/OFF) using a switch.
Classroom Bundle Used: STEM Classroom Bundle, STEM Mini Classroom Bundle
Prerequisites: ABC of Digital Signal
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Lesson Overview

Students will learn following things:

  • Activity 1: How to control the brightness of a LED using potentiometer?
  • Activity 2: How to control the state of the LED using a switch?
  • Classroom Assignment: How to control the brightness and the state of the LED using a potentiometer and a switch?

Material Required

1 set of the following material per group of 3-5 students:

Lesson Outline

Brightness of a LED - 15 minutes
  • Make a LED circuit using the potentiometer to control the brightness of a LED when you change the position of the potentiometer.
Tuning ON and OFF the LED - 15 minutes
  • Make a LED circuit using the switch to control the state of the LED, where when you press the switch the LED will glow and when you release the switch it stops glowing.
Assignment - 30 minutes
  • Let students make a LED circuit, where they will control the brightness and the state of the LED simultaneously using potentiometer and switch.

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