LDR and LED Circuit design - Solid State Relay
Interactive Video
•
Architecture, Engineering, Physics, Science
•
University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video tutorial explains the functioning of an LDR and LED, focusing on their resistance and current requirements. It details the design of a primary circuit using a white LED and a secondary circuit with a red LED. The tutorial covers calculating resistor values to control current and voltage drop, and demonstrates how to block ambient light to ensure proper circuit operation.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe the process to block ambient light from affecting the LDR.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the relationship between the white LED and the red LED in the circuit?
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OFF
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