A member of the forum kindly suggested me to create a new post about my problem,
because his post was solved. Sorry if I double it.
I followed yesterday night the tutorial to solder and install on the Raspberry Pi B the Adafruit RGB Negative 16x2 LCD.
To my surprise and delight, I was damn happy, the LCD screen lighted.
After running the python script
I pushed the buttons to get the different colors… It worked.sudo python Adafruit_CharLCD.py
Now this morning, running again the python script… I get an error message :
I don't have the faintest idea of what I can do.Runtimewarning : This channel is already in use, continuing anyway. Use GPIO.setwarnings(False) to disable warnings.
self.GPIO.setup(self.pin_e,GPIO.OUT)
Maybe is it because I didn't properly shut down the LCD screen before turning off the Raspberry Pi ? ( don't know how to proceed ). I just hope I didnt' break anything…
Thank you if you can help me. All the best. Raphaël.