# KS0061A Keyestudio 1602 I2C Module

![](media/image-20260113102301043.png)

## 1. Description

This Keyes IIC LCD1602 display module can show 16 columns and 2 rows of characters such as numbers, letters, symbols, ASCII codes, etc. I2C LCD1602 display integrates I2C interface, serial input and parallel output. It is compatible with Arduino libraries. In addition, it can show more than 32 characters.

You can adjust the contrast by the potentiometer on the IIC shield.

## 2. Specifications

- Power supply range: 5V 
- Working current: <130mA 
- Recommended ambient temperature: -10°C ~ 50°C 
- Product size: 80mm * 36mm 
- IIC address: 0x27

## 3. Connection Diagram

![](media/wps1.jpg)

![](media/image-20260113102457559.png)

![](media/wps2.jpg)

## 4. Test Code

Download Resource  :  [Resource](./Resource.7z)

Note： before uploading the code, you need to import the library files; otherwise, the code upload will fail.

```c
#include<Wire.h>
#include<LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

void setup()
{
  Wire.begin();
  lcd.init();
  delay(100);
  lcd.backlight();
  delay(100);
  lcd.setCursor(2,1);
  lcd.print("hello world!");
  delay(2000);
  lcd.clear();
}

void loop()
{
  lcd.setCursor(0,0);
  lcd.print("8888888888888888");
  lcd.setCursor(0,1);
  lcd.print("8888888888888888");  
}
```

## 5. Result

Wire up, upload test code to the UNO board. Then the display module will show “hello world!”at first row, after 0.1s,“ 8888888888888888 ”will be shown at second row.