38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
# SPDX-FileCopyrightText: 2019 Anne Barela for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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# Gemma M0 Onchip Temperature Sensor
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# Project by Kathy Ceceri
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# CircuitPython by Anne Barela
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# Adafruit Industries, 2019
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import time
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import board
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import microcontroller
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import neopixel
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import adafruit_dotstar
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ROOM_TEMP = 65.0 # Set this to the temp to change from blue to red (F)
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# Set up NeoPixel strand
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pixels = neopixel.NeoPixel(board.D1, # NeoPixels on pin D1
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4, # Number of Pixels
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brightness=0.2) # Change from 0.0 to 1.0
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# For the Gemma M0 onboard DotStar LED
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dotstar = adafruit_dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1)
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def deg_f(deg_c): # Convert celsius to Fahrenheit
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return(deg_c * 9 / 5) + 32.0
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while True:
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temp = deg_f(microcontroller.cpu.temperature)
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if temp > ROOM_TEMP:
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pixels.fill((255, 0, 0)) # (255,0,0) is red
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dotstar.fill((255, 0, 0)) # Set to red
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else:
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pixels.fill((0, 0, 255)) # (0,0,255) is blue
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dotstar.fill((0, 0, 255)) # Set to blue
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time.sleep(1.0) # Wait 1 second
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