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| | * you have written a main.py that allows to select whether to boot into your code or not | | * you have written a main.py that allows to select whether to boot into your code or not |
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| − | == Required Module and Files ==
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| − | To enable autorun you have to create a file that is called 'main.py' that is in the main directory. There are different ways to do this:
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| − | * write the code you want to execute into the file main.py
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| − | * write your code as a module that can be executed by calling a function. call this function from main.
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| − | == Related Components ==
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| − | The components are related to the [[LMUBox]]. For more components, see the [[Hardware List]]. Many of the pages on actuators and sensor include additional examples.
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| − | === Microcontroller ===
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| − | * [[ESP32 Web Kit]] with integrated OLED Display from Heltec
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| − | === Sensors (and physical controllers) ===
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| − | * [[Switch]]
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| | = Instructional Videos = | | = Instructional Videos = |
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| | <youtube>https://youtu.be/kzgUN_h1bqw</youtube> | | <youtube>https://youtu.be/kzgUN_h1bqw</youtube> |
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| − | = Examples of main.py =
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| − | == Code Example: code in main.py ==
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| − | <syntaxhighlight lang="python" line='line'>
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| − | # main.py - example how to have the code directly in the main.py file
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| − | # here an example for blinking an LED
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| − | from machine import Pin
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| − | from time import sleep
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| − | p25 = Pin(25, Pin.OUT)
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| − | while True:
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| − | pin25.on()
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| − | sleep(1)
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| − | pin25.off()
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| − | sleep(0.5)
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| − | </syntaxhighlight>
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| − |
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| − | == Code Example: function in module and called from main.py ==
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| − | <syntaxhighlight lang="python" line='line'>
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| − | # main.py - example how to call a function (with your code) from the main.py file
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| − | # we assume you have a function mymain() defined in a module mycode.py
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| − | import mycode
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| − | mycode.mymain()
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| − | </syntaxhighlight>
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| − | == Code Example: selectively call function in module from main.py - boot switch ==
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| − | [[File:BootSelektor.JPG|300px]]
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| − | <syntaxhighlight lang="python" line='line'>
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| − | # main.py - example how to call a function (with your code) from the main.py file
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| − | # the function is only called if Pin26 is '1' (connected to 3.3V)
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| − | # if Pin26 is '0' the function will not be callwd
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| − | # we assume you have a function mymain() defined in a module mycode.py
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| − | import mycode
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| − | from machine import Pin
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| − | p26 = Pin(26, Pin.IN)
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| − | if (p26.value()==1):
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| − | mycode.mymain()
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| − | </syntaxhighlight>
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