Your LCD display should have 16 pins coming out from the bottom. Each pin has different functions: VSS: Pin that connects to ground. VDD: Pin that connects to a 5v power supply. VO: Adjusts the ...

The first example displays a static text message and number of seconds since Arduino reset. The next one covers modification of my Arduino ohmmeter project to display data on the 16×2 Hitachi HD44780 ...

Build a Bidirectional Visitor Counter using Arduino and IR sensors to track entry and exit movements with real-time counting on an LCD display. This step-by-step guide covers circuit design, hardware ...

LCD.h is the file including all the fixed constants and the local methods used to manage the display. Also useful to create a good documentation of the display features local methods. You should ...

Later it displays the speed on the I2C LCD display. #include <Wire.h> #include <LiquidCrystal_I2C.h> Here “Wire.h” and “LiquidCrystal_I2C.h” are included to make the Arduino UNO R3 board communicate ...

Learn how to build an RFID door lock system using Arduino for secure and smart access control. This step-by-step guide covers circuit connections, coding, and hardware setup to create an automated ...