The last thing to be seen is the below line, where we actually send a message. The second parameter tells the row number. The first parameter tells the position column-wise ( 0 indicated first place, 1 indicates the second place, and so on). This function will be beneficial when you have to display time or a counter that demands the cursor to always be in the same position.
You can always use the below function to set/reset the cursor position. You can mention where the characters should be displayed. Backlight, nevertheless, makes the project more beautiful and reading crisper. You will be able to see the contents of the display without a backlight, too, if it is a green LCD. To turn on the backlight, you can use the below code. This function will be called only once in the setup() function.
LCD 1602 CODE
The following line of the code resets and initializes all the LCD registers and prepares them for project usage. We pass the I2C address, the number of columns, and the number of rows.Ĭan you let me know the parameters in the comments if we want to use an LCD2004 instead of LCD1602? LiquidCrystal_I2C lcd(0x27, 16, 2) #include īelow, we are creating an object called LCD. Since we are using the I2C version, we have included the standard LCD library made for the I2C version. This consists of all the LCD-related functions. The below line code adds the LCD library to your project. Let me try to explain the purpose of each code one by one. Let us take a minute and see the code line by line. It will be automatically saved under my projects tab on the wokwi site if you are logged in.
The best thing about the link is that it will save the project as your version. You can tinker with the code to change the text displayed or the position.
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