5V LCD4002 40×2 Character Display Module for Arduino

Description

40×2 Character Display Module 5V LCD4002 for Arduino 40 Characters 2 Lines

Specifications

Lcd4002 display, 40 characters 2 lines.

Model: 404a y / yg

display: 40 x 4 characters

frame size: 190.0×54.0x15.0

viewing angle: 147.

Model: 404a y / yg
Display: 40 x 4 characters
Frame size: 190.0×54.0x15.0
Viewing angle: 147.0×43.1
IC: splc780d

1.1 features

1.2 Mechanical specifications

We have the technical sheet of all components available, should it not be present in the product download card, send us a message through the contact us form and we will publish it as soon as possible on our website.

Tutorial: How to use 40×2 LCD Module

This LCD module is used to display simple text on an Arduino project. It is useful for beginners and those who want to add a visual interface.

What you need

• Arduino
• Jumper cable
• Pull-up resistor (10kΩ)

Steps

1. 1. Connect the VCC of the module to the 5V of Arduino.
2. 2. Connect GND of the module to GND of Arduino.
3. 3. Connect RS to pin 12 of Arduino.
4. 4. Connect RW to GND.
5. 5. Connect EN to pin 11 of Arduino.
6. 6. Connect D4 to pin 5 of Arduino.
7. 7. Connect D5 to pin 4 of Arduino.
8. 8. Connect D6 to pin 3 of Arduino.
9. 9. Connect D7 to pin 2 of Arduino.
10. 10. Connect the pull-up resistor to the VCC and D0 of the module.

Example code

```cpp
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
void setup() {
 lcd.begin(16, 2);
}
void loop() {
 lcd.clear();
 lcd.print("Benvenuto su ");
 lcd.setCursor(0, 1);
 lcd.print("Arduino!");
}
```

Mini project

Create a simple stopwatch that displays elapsed time on a 40×2 display. Start counting when a button is pressed.

Common mistakes

• Forgetting to correctly connect pins RS and EN.
• Not using pull-up resistors.
• Connect GND of the module to GND of Arduino.
• Forgetting to include the LiquidCrystal library.

Recommended accessories

• Push button
• 10kΩ resistor
• Jumper wire
• Arduino

Frequently asked questions

How can I update the text on the display?
Use the `lcd.print()` function to update the text.

Which pins can I use to connect the module?
You can use any Arduino pin, but it is recommended to use pins 2-7.

Does the module support special characters?
Check the datasheet for supported characters.

You're viewing: 5V LCD4002 40×2 Character Display Module for Arduino 19,28 € Original price was: 19,28 €.13,97 €Current price is: 13,97 €. Excluding VAT

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