Robotics · Electronics Basics
LEDs and Resistors
Protect and control an LED by adding resistance and observing polarity.
2 min micro-lessonLesson focus
LEDs and ResistorsDescribe the key ideas behind “LEDs and Resistors” and apply them to a familiar technology scenario.
Video resources will be added as each NEST lesson is published.Learning objective
What you will understand
Describe the key ideas behind “LEDs and Resistors” and apply them to a familiar technology scenario.
Key ideas
- LED polarity
- Current limiting
- Safe connection
Try it
Draw a safe series circuit for an LED and resistor.
Quick recap
Protect and control an LED by adding resistance and observing polarity.