74 lines
No EOL
2.2 KiB
Python
Executable file
74 lines
No EOL
2.2 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# GrovePi Example for using the Grove LED for LED Fade effect (http://www.seeedstudio.com/wiki/Grove_-_LED_Socket_Kit)
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#
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# The GrovePi connects the Raspberry Pi and Grove sensors. You can learn more about GrovePi here: http://www.dexterindustries.com/GrovePi
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#
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# Have a question about this example? Ask on the forums here: http://forum.dexterindustries.com/c/grovepi
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#
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'''
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## License
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The MIT License (MIT)
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GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
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Copyright (C) 2017 Dexter Industries
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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'''
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import time
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import grovepi
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# Connect the Grove LED to digital port D5
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# SIG,NC,VCC,GND
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led = 5
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# Digital ports that support Pulse Width Modulation (PWM)
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# D3, D5, D6
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# Digital ports that do not support PWM
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# D2, D4, D7, D8
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grovepi.pinMode(led,"OUTPUT")
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time.sleep(1)
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i = 0
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while True:
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try:
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# Reset
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if i > 255:
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i = 0
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# Current brightness
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print (i)
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# Give PWM output to LED
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grovepi.analogWrite(led,i)
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# Increment brightness for next iteration
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i = i + 20
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time.sleep(.5)
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except KeyboardInterrupt:
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grovepi.analogWrite(led,0)
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break
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except IOError:
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print ("Error") |