feat(docs): Add LiquidCrystal_I2C example and CI configuration for I2C LCD control

Author: JakubAndrysek

docs/en/api/i2c.rst

@@ -509,3 +509,15 @@ Here is an example of how to use the I2C in Slave Mode.
     :language: arduino
 
 .. _Arduino Wire Library: https://www.arduino.cc/en/reference/wire
+
+
+External libraries - examples
+*****************************
+
+
+LiquidCrystal_I2C
+^^^^^^^^^^^^^^^^^
+
+This example demonstrates how to use the `LiquidCrystal_I2C`_ library to control an LCD display via I2C.
+
+.. wokwi-example:: libraries/Wire/examples/LiquidCrystal_I2C

libraries/Wire/examples/LiquidCrystal_I2C/LiquidCrystal_I2C.ino

@@ -0,0 +1,19 @@
+#include <LiquidCrystal_I2C.h>
+
+LiquidCrystal_I2C lcd(0x27, 16, 2);  // I2C address 0x27, 16 column and 2 rows
+
+void setup() {
+  lcd.init();
+  lcd.backlight();
+}
+
+int counter = 0;
+void loop() {
+  lcd.clear();
+  lcd.setCursor(6, 0);
+  lcd.print("ESP32");
+  lcd.setCursor(0, 1);
+  lcd.print("Show number:" + String(counter));
+  counter++;
+  delay(2000);
+}

libraries/Wire/examples/LiquidCrystal_I2C/ci.yml

@@ -0,0 +1,37 @@
+libs:
+  - [email protected]
+
+upload-binary:
+  targets:
+    - esp32
+  diagram:
+    esp32:
+      parts:
+        - type: wokwi-lcd1602
+          id: lcd1
+          top: 25.6
+          left: 168.8
+          attrs:
+            pins: i2c
+      connections:
+        - - lcd1:GND
+          - esp:GND.2
+          - black
+          - - h-19.2
+            - v-96
+        - - lcd1:VCC
+          - esp:5V
+          - red
+          - - h-28.8
+            - v153.7
+            - h-139.39
+        - - lcd1:SDA
+          - esp:21
+          - green
+          - - h-38.4
+            - v19.4
+        - - lcd1:SCL
+          - esp:22
+          - green
+          - - h-48
+            - v-9.3