5. Case 03: Thermometer
5.1. Purpose
Use the Smart Coding Kit to create a wearable thermometer.
5.2. Materials
1 x smart coding kit
5.3. Software
5.4. Programming
Step 1
Create a variable
flag
. Initialize this variable to 0 when we startup our micro:bit.
Step 2
Create a
forever
loop to show the variablei
. If it is over the default value, it alarms; Or it does not alram.
Step 3
When button A being pressed, set the returned value as
i
displaying on the micro:bit.
Link
You can also download it below:
5.5. Result
The current value will be detected and displayed on the micro:bit when button A being pressed.
5.6. Exploration
5.7. FAQ
Q: Sometimes the temperature is below 20 degrees, but the value detected is even higher?
A: The temperature detected is the micro:bit chips but not the environment, the chips will get hot obviously when powering on for a long time.