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Lesson 3 of 8
  • Year 9

Code and simulate Micro:bits in Tinkercad

I can develop a light sequence control system, and test and iterate it.

Lesson 3 of 8
New
New
  • Year 9

Code and simulate Micro:bits in Tinkercad

I can develop a light sequence control system, and test and iterate it.

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Lesson details

Key learning points

  1. Micro:bits are small computers which are are programmed using codes and blocks.
  2. Light sequences and loops can be used to develop control systems further.
  3. Control systems can be simulated within Tinkercad and also in the physical world.

Keywords

  • Program - sequence of instructions that can be used to control electrical components

  • Sensor - a device that can detect and monitor changes

  • Simulate - to imitate a product or process to test it

Common misconception

A light dependant resistor (LDR) only senses light levels.

An LDR's resistance changes depending on the amount of light it is exposed to. As the light level increases, the resistance decreases. This change in resistance can create a voltage change, which can be used as a signal to control an output.


To help you plan your year 9 design and technology lesson on: Code and simulate Micro:bits in Tinkercad, download all teaching resources for free and adapt to suit your pupils' needs...

Ensure that your micro:bit has been updated to allow easy download of code in Tinkercad.
Teacher tip

Equipment

Computers with access to Tinkercad, micro:bits, download cables, battery packs, LEDs with crocodile cables.

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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Prior knowledge starter quiz

Download quiz pdf

6 Questions

Q1.
Which are input components?

LED
Correct answer: LDR
Buzzer
Correct answer: Switch
Motor

Q2.
An LDR is a sensing component that changes it's resistance depending on what?

Correct answer: light
sound
movement
colour

Q3.
A micro:bit is an example of a microcontroller. Microcontrollers are small .

Correct Answer: computers

Q4.
What is this output component?

An image in a quiz
Correct answer: LED
Battery
Temperature Sensor
LDR
UV sensor

Q5.
Explain why an LED needs a resistor in series with it?

to increases the resistance
Correct answer: to limit the current flowing to the LED
to decrease the resistance
to increase the current flowing to the LED

Q6.
Tinkercad uses __________ to code programs.

text
Correct answer: blocks
images
icons

Assessment exit quiz

Download quiz pdf

4 Questions

Q1.
Which sensors are built into the micro:bit?

microphone
Correct answer: accelerometer
loudspeaker
Correct answer: temperature
button a

Q2.
Put the descriptions in the correct order for the program.

An image in a quiz
1 - button A is pressed
2 - pin 0 is high which is on
3 - pin 1 is low and off
4 - wait for one second
5 - pin 0 is low which is off
6 - pin 1 is high which is on

Q3.
A loop in a computer program executes the same code a set amount of times.

Correct Answer: repeat, repeat routine

Q4.
Why do we simulate programable systems before we download to a real world system?

Correct answer: cost effective way to test
expensive to test
Correct answer: quick way to test
slow way to test
Q2 Autodesk screenshots reprinted courtesy of Autodesk, Inc