How To Make Thermometer Using Micro Bit

 Track highest and lowest temperatures by leaving this program running on a micro:bit.

What you need

• micro:bit (or MakeCode simulator)
• MakeCode or Python editor
• battery pack (optional)
• a source of heat or cooling, like a fan, if you want to see the temperature change quickly – or take the micro:bit outside
• Code It

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from microbit import *

currentTemp = temperature()
max = currentTemp
min = currentTemp

while True:
    display.show('.')
    currentTemp = temperature()
    if currentTemp < min:
        min = currentTemp
    if currentTemp > max:
        max = currentTemp
    if button_a.was_pressed():
        display.scroll(min)
    if button_b.was_pressed():
        display.scroll(max)
    sleep(1000)
    display.clear()
    sleep(1000)