About This project uses an Arduino Uno and an HC-SR04 ultrasonic sensor to measure the distance of nearby objects and display it on a 16x2 LCD. If an object is too far, it shows “Seems safe...” on the ...

Connect the I2C LCD to the Arduino Uno (VCC, GND, SDA, SCL). Use an I2C scanner sketch to confirm your LCD address (0x27, 0x3F, etc.). You can find I2C scanner codes online. After sending the request, ...

The most popular display system widely used in Arduino projects is the liquid crystal display (LCD). LCD displays consists primarily of two sheets of polarized glass plates with a thin layer of liquid ...

Hitachi’s HD44780 based 16×2 character LCD are very cheap and widely available, and is an essential part for any project that displays information. Using the LCD backpack, desired data can be ...

Posted in Arduino Hacks Tagged 16x2, 16x2 LCD, arduino, hd44780, hitachhd44780, smartie ...

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 ...

Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his own LCD backpack that is Arduino compatible.