[Issue #12] - Adding config options for configuring the pins used for SDA/SCL for the display

README.md

@@ -10,7 +10,7 @@ A [MicroPython](https://micropython.org/) app to display local time on an SSD130
 The following hardware is what I used for a deployment:
 
 * Raspberry Pi Pico 2 W: https://www.amazon.com/dp/B0DRJXPPWL
-  * The **W** is VERY important, as without networking it can't reach Home Assistant!
+  * The **W** is VERY important, as without networking it can't reach NTP servers!
   * Also a Raspberry Pi Pico W *should* work too, but I haven't tested it yet
 * Elegoo SSD1306 LCD: https://www.amazon.com/dp/B0FSRQG23K
 
@@ -44,11 +44,12 @@ These are not necessary to run the app, but can be useful for testing and/or fla
     1. This has been tested with MicroPython 1.29, but other versions should work.
 4. Clone this git repository: `git clone https://git.metaunix.net/BitGoblin/pico-time`.
 5. `cd` into the repo: `cd pico-time`.
-6. Copy `config.example.py` to `config.py` and edit the settings to match your environment.
+6. Install Python dependencies via mpremote: `xargs mpremote mip install < requirements.txt`.
-7. Copy the Python code over to the Pico:
+7. Copy `config.example.py` to `config.py` and edit the settings to match your environment.
+8. Copy the Python code over to the Pico:
     1. `mpremote cp main.py :main.py`
     2. `mpremote cp config.py :config.py`
-8. Reset the Pico: `mpremote reset`
+9. Reset the Pico: `mpremote reset`
 
 If it worked you should see the display show a message about connecting to WiFi, then syncing time and finally displaying the local time. If it failed, you can monitor the app via `mpremote repl` or using an IDE like [Thonny](https://thonny.org/).
 

config.example.py

@@ -2,6 +2,10 @@
 WIFI_SSID = "YourSSID"  # Set this to your Wi-Fi network name
 WIFI_PASSWORD = "YourPassword"  # Set this to your Wi-Fi network password
 
+# Display Settings
+DISPLAY_SDA_PIN = 4  # Default SDA pin is GP4
+DISPLAY_SCL_PIN = 5  # Default SCL pin is GP5
+
 # Time settings
 USE_24_HOUR = False  # Set this to True for 24-hour time (no AM/PM)
 UTC_OFFSET = -5  # Set this to your desired NTP server

main.py

@@ -15,7 +15,7 @@ except ImportError:
         time.sleep(2)
 
 # --- Hardware Setup ---
-i2c = I2C(0, sda=Pin(16), scl=Pin(17), freq=400000)
+i2c = I2C(0, sda=Pin(Config.DISPLAY_SDA_PIN), scl=Pin(Config.DISPLAY_SCL_PIN), freq=400000)
 oled = ssd1306.SSD1306_I2C(128, 64, i2c)