Update README.md

[RPI-PICO-I2C-LCD.git] / README.md

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+++ b/README.md
@@ -10,9 +10,10 @@ Usage:
 - Open Thonny IDE with the 3 files
 - Make pin edits or setup changes (See below for options) 
 - DO NOT EDIT FILE NAMES!
 - Open Thonny IDE with the 3 files
 - Make pin edits or setup changes (See below for options) 
 - DO NOT EDIT FILE NAMES!

-- In Thonny, go to top menu File => Save Copy => Raspberry Pi Pico and save each .py file to the board.
-- Switch to the main.py and click run. This should be able to initalize the LCD display if settings are right.
+- In Thonny, go to top menu File => Save Copy => Raspberry Pi Pico and save each file to the board with the same name as downloaded and with a .PY extension when saving it to the board. 
+- Switch to the pico_i2c_lcd_test.py (this is the main file) and click run. This should be able to initalize the LCD display if settings are right.

 - If you get errors, see below for a known list of errors and their fixes
 - If you get errors, see below for a known list of errors and their fixes

+- Wiring Diagram LCD_bb.jpg! Please look here for a fritzing diagram!

 
 Requirements:
 - 3.3 - 5V level translator. This is crucial to encure the lcd recieves the commands properly. I recommend this: https://www.adafruit.com/product/757 (Must be Bi-Directional)
 
 Requirements:
 - 3.3 - 5V level translator. This is crucial to encure the lcd recieves the commands properly. I recommend this: https://www.adafruit.com/product/757 (Must be Bi-Directional)


@@ -34,9 +35,13 @@ in my case, the decimal addr. was 39 which converts to 0x27 in hex.
 - Finally, assure the I2C_NUM_ROWS and I2C_NUM_COLS are set properly!
 
 Usage: 
 - Finally, assure the I2C_NUM_ROWS and I2C_NUM_COLS are set properly!
 
 Usage: 

+

 Printing is simple :lcd.putstr("") This requires a string input! if you want to feed a changing value such as a temperature, it must be: lcd.putstr(str(Variable))
 
 Errors:
 Printing is simple :lcd.putstr("") This requires a string input! if you want to feed a changing value such as a temperature, it must be: lcd.putstr(str(Variable))
 
 Errors:

+

 OSERROR : 5 (This is quite a common error, 5 means I/O error. Check Your connections. This means codes can't be sent or recieved ensure SCL and SDA are properly connected through the level translator!
 
 OSERROR : 5 (This is quite a common error, 5 means I/O error. Check Your connections. This means codes can't be sent or recieved ensure SCL and SDA are properly connected through the level translator!
 

-Feel to leave comments or questions and I will try to answer them as quick as possible!
+Feel to leave comments or questions / issues and I will try to answer / resolve them as quick as possible!
+
+For people wondering how to use this code, Tinkernut on Youtube created a very nice guide + some more features! https://www.youtube.com/watch?v=B8Kr_3xHjqE&t