Update README.md

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

diff --git a/README.md b/README.md
index 46e993982325215b3d0fede6a5048d2849f9d9ea..ea6bd6ee713119c6399c355753663b1ff55a2187 100644 (file)
--- a/README.md
+++ b/README.md
@@ -25,11 +25,13 @@ Setup Changes:
 - Make sure the top address is set correctly!
 Use this small program to scan for I2C devices:
 
+```python
 import machine
 sda=machine.Pin(0)
 scl=machine.Pin(1)
 i2c=machine.I2C(0,sda=sda, scl=scl, freq=400000)
 print(i2c.scan())
+```
 
 - Once you get an address through the console (REPL), this will be in decimal and not hex. You can convert the decimal to hex or simply put a decimal address in the setup.
 in my case, the decimal addr. was 39 which converts to 0x27 in hex.
@@ -50,7 +52,7 @@ These are the python commands used in a program! (They can all be found in the l
 
 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 or, use 2x 1K resistors, connected between +5V and the SCL and SDA pins, as external pullups.
 
 Feel to leave comments or questions / issues and I will try to answer / resolve them as quick as possible!