|  |  | @ -101,18 +101,23 @@ and must probably you will requiere pip3 python package manager: | 
			
		
	
		
			
				
					|  |  |  | sudo pacman -Sy python-pip | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  | ## `Permission denied: '/dev/ttyUSB0'` | 
			
		
	
		
			
				
					|  |  |  | If you try to upload the code to the ESP32 board and receives the next error: | 
			
		
	
		
			
				
					|  |  |  |  | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  | Permission denied: '/dev/ttyUSB0'` | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  | thus, check the ttyUSB0' group by listing: | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  | ls -l /dev/ttyUSB0 | 
			
		
	
		
			
				
					|  |  |  | crw-rw---- 1 root uucp 188, 0 Aug  7 14:50 /dev/ttyUSB0 | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  |  | 
			
		
	
		
			
				
					|  |  |  | next, add your user to the group and try again | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  | sudo usermod -a -G uucp $USER | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  | **Note: you need to relogin into you session and try to upload again.** | 
			
		
	
		
			
				
					|  |  |  |  | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  | groups | 
			
		
	
		
			
				
					|  |  |  | libvirt uucp gmarx | 
			
		
	
		
			
				
					|  |  |  | ``` | 
			
		
	
		
			
				
					|  |  |  |  | 
			
		
	
		
			
				
					|  |  |  | **Note: you need to relogin into you session.** | 
			
		
	
		
			
				
					|  |  |  |  | 
			
		
	
		
			
				
					|  |  |  |  |