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MicroPython/micro:bit helpful tips and sample codes

Here are some sample codes and helpful tips to help you get up and running with MicroPython, micro:bit, and Grove Shield. 
Blinking light from button
Plug in an LED into port 0 of the Grove Shield. This code will make the LED blink when the A button is pressed.
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Radio

            

            

                

                    

	

		
			

				
					
						




					
								
					
						


​If you push the A button on one Micro:Bit the other will react. 



					
									

		
	






	

    

        
 

    

    

        

    







                

            

        

        

            

                
Play-doh

            

            

                

                    

	

		
			

				
					
						




					
								
					
						


Using Play-Doh to complete a circuit causes a reaction on the screen of the Micro:Bit



					
									

		
	






	

    

        
 

    

    

        

    







                

            

        

        

            

                
Reading sensors

            

            

                

                    

	

		
			

				
					
						




					
								
					
						


Plug in an analog sensor to port 0 of the Grove Shield and the value of the sensor (ranging from 0 to 1023) will flash on the screen. ​



					
									

		
	






	

    

        
 

    

    

        

    







                

            

        

        

            

                
Controlling screen brightness

            

            

                

                    

	

		
			

				
					
						




					
								
					
						


Press the A button to make the screen brighter and the B button to dim the screen.



					
									

		
	






	

    

        
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Random numbers

            

            

                

                    

	

		
			

				
					
						




					
								
					
						


Every 400ms a new random number between 1 and 10 is displayed on the screen.



					
									

		
	






	

    

        
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Speech

            

            

                

                    

	

		
			

				
					
						



					

						
						
						
					

				



					
										
					
						


Attach a speaker to the Grove Shield. The Micro:bit will 'say' something if one of the buttons is pressed. ​​



					
									

		
	






	

    

        
 

    

    

        

    







                

            

        

        

            

                
Morse code

            

            

                

                    

	

		
			

				
					
						




					
								
					
						


SOURCE: https://microbit-micropython.readthedocs.io/en/latest/tutorials/network.html?highlight=morse%20code
Tap out letters on the A button and press the B button to read your message. ​



					
									

		
	






	

    

        

    

    

        

    







                

            

        

        

            

                
Motors

            

            

                

                    

	

		
			

				
					
						




					
								
					
						


Changing the position of the sensor (in port 1) will cause the motor (in port 0) to change speed.



					
									

		
	






	

    

        
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