Keyless Door Pin Lock System This Sketch allows the End user to create a PIN Lock System the access is granted when the correct 4 character PIN is entered, when the correct password is typed the text ...

In this project we will use a 2.4” Arduino TFT LCD screen to build our own Arduino Touch Screen calculator that could perform all basic calculations like Addition, Subtraction, Division and ...

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 ...

An actual-size PCB layout for interfacing multiple LCDs with Arduino is shown in Fig. 2 and its components layout in Fig. 3. After assembling the circuit on the PCB, connect Arduino Uno and the PCB ...

LILYGO provides support for Arduino/PlatformIO with several Arduino sketches including the factory testing program shown in the photo above relying on Arduino GFX and LVGL graphics libraries. You’ll ...

A 470-ohm resistor (R1) connected to pin 15 is used to light LCD1. 5V for the LCD is taken from Arduino board’s pins 5V and Gnd. A USB cable is used to connect Arduino to a PC or laptop.

The hardware configuration described have been tested with an Arduino UNO R3, a 16×2 LCD, and an I2C LCD backpack purchased from an eBay seller. Further, the example sketch has been fully tested with ...