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#
# Receive and display the temperature
# and update the NeoPixel panel with
# a colour between Blue and Red
#
# for WWW.PROTO-PIC.CO.UK by Drew Anderson
#
# import the libraries required by the microbit
from microbit import *
# import the libraries required by the micro:pixel board & Radio
import neopixel
import radio
# We have 8x4 pixels - 32 in total on pin 0
np = neopixel.NeoPixel(pin0, 32)
# Turn the radio transmitter on (Required)
radio.on()
while True:
# Read any incoming Data
inData = radio.receive()
if inData is not None:
# inData is a string - We want a float
temp = float(inData)
# A little bit of maths to extend the scale a bit
tempcolour = int((temp * 3.6))
# The next 4 lines constrain the value to between 0 and 127
if (tempcolour < 0):
tempcolour = 0
if (tempcolour > 127):
tempcolour = 127
# Update the micro:pixel
for pix in range (0 , 32):
np[pix] = (tempcolour,0,(255-(tempcolour*2)))
np.show()
# Show the temperature to 1 decimal place
tempToShow = "{0:0.1f}".format(temp)
display.scroll(tempToShow)
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