AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Arduino micro wire library pins8/20/2023 ![]() In the setup, the LCD is initiated with lcd.init() and the backlight is turned on with lcd.backlight(). The I2C protocol involves using two lines to send and receive data: a serial clock pin (SCL) that the Arduino Controller board pulses at a regular interval, and a serial data pin (SDA) over which data is sent between the two devices. This pin on the Arduino board provides the voltage reference with which the. LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27, 16, 2) // Change to (0x27,20,4) for 20x4 LCD. connect it to a computer with a micro-USB cable or power it with a AC-to-DC. Connect to LCD via I2C, default address 0x27 (A0-A2 not jumpered) You will need to change ‘lcd’ to the new name in the rest of the sketch. You can give it a different name if you want like ‘menu_display’. Note that we have called the display ‘lcd’. ADS1x1x, Arduino library for ADS101x / ADS111x Ultra-Small, Low-Power, I2C-Compatible, ADCs. When using a 20×4 LCD, change this line to LiquidCrystal_I2C(0x27,20,4) Simple Library to interface the Texas Instruments ADS1232 ADC. This is where you will need to change the default address to the address you found earlier if it happens to be different. ![]() That same leg of the button connects through a pull-down resistor (here 10K ohm) to ground. The third wire goes from digital pin 2 to one leg of the pushbutton. The next step is to create an LCD object with the LiquidCrystal_I2C class and specify the address and dimensions.įor this, we use the function LiquidCrystal_I2C(address, columns, rows). The first two, red and black, connect to the two long vertical rows on the side of the breadboard to provide access to the 5 volt supply and ground. #include // Library for I2C communication The other library imports wire.h automatically. Light library for I2C communication Author: AlexGyver Maintainer: AlexGyver Read the documentation. *When using the latest version of the LiquidCrystal_I2C library it is no longer needed to include the wire.h library in your sketch. In the rest of this tutorial, I will cover more of the built-in functions of this library. As mentioned earlier we need both the wire.h* and the LiquidCrystal_I2C library. ![]() First, the required libraries are included.
0 Comments
Read More
Leave a Reply. |