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Robotics Ladder · Middle school · Grade 7–9

Electronics and Microcontrollers

Safe low-voltage benchwork, Ohm's law on a breadboard, the resistor every LED needs, voltage dividers for sensors, analog readings and PWM on an Arduino or Raspberry Pi Pico.

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6 topics in 3 units. Builds on Robotics for Kids, plus Physical Science on the Physics Ladder. Leads to Programming Robots and Mechanics and Motion. Not sure this is the right course? Find your rung.

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Unit 1 The Safe Workbench

1 topics

Low voltage only, batteries and soldering done the careful way.

  1. A Safe Electronics Bench

Unit 2 Circuits on a Breadboard

3 topics

Ohm's law, the resistor every LED needs, and voltage dividers.

  1. Ohm's Law on a Breadboard
  2. The Resistor Every LED Needs
  3. Voltage Dividers and Sensors

Unit 3 Talking to a Microcontroller

2 topics

Analog readings and PWM on an Arduino or Raspberry Pi Pico.

  1. Analog Readings
  2. PWM: Fast Switching for Motors and Lights