SunFounder 3in1 Kit
Wiring
Note: The SDA and SCL of the R4 board are the pins A4 and A5.
Code
Note:
• Open the 5.11.liquid_crystal_display.ino file under the path of 3in1-kit\learning_project\5.
11.liquid_crystal_display.
• Or copy this code into Arduino IDE.
• The LiquidCrystal I2C library is used here, you can install it from the Library Manager.
170 Chapter 4. Basic Projects
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