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20x4 Graphical LCD 2004A (Blue)
20x4 Graphical LCD 2004A
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20x4 Graphical LCD 2004A (Blue)

QC0006
Out of stock
Rs. 400.00 Rs. 384.00 (Exc. GST)

LCD modules are very commonly used in most embedded projects, the reason being its cheap price, availability, and programmer-friendly. Most of us would have come across these displays in our day to day life, either at PCO’s or calculators. Alphanumeric Graphical LCD (2004A) is a 20x4 Blue Coloured Liquid Crystal Display. It can display 4 lines of text and each line can have up to 20 characters in it, which is bigger than the 16x2 LCD display but the programming is almost same. These characters can either be text, numbers, graphical symbols or even custom characters. It can be used in DIY projects, to display the data on IoT projects, etc.

20x4 Graphical LCD Display Pinout

Specifications:

  • Wide viewing angle and high contrast 
  • Industry-standard HD44780 equivalent LCD controller built-in 
  • +5V DC LED blue backlight 
  • Don't need a separate power supply for the backlight 
  • Supported 4 or 8-bit parallel interface 
  • Display 4-line x 20-character 
  • Operate with 5V DC 
  • Operating Temperature -20°C to 70°C
  • Dot Matrix 5×8 Dots

 

Product Description

We know that each character has 40 Pixels and for 80 Characters we will have 3200 Pixels. Further, the LCD should also be instructed about the Position of the Pixels. It is a hectic task for the microcontroller, hence Driver IC like ST7066 is used, which is mounted on the backside of the LCD Module.it takes data from the Microcontroller and processes them to display on the LCD Screen. You can use it in 8 bit parallel interface or 4 bit parallel interface mode if you need to connect fewer lines to the microcontroller.

 

Comparison between 16*2 LCD and 20*4 LCD

There are not many differences between the two LCD screens apart from the obvious one that 16*2 can display only 32 characters and 20*4 can display 80 characters. So you have to choose the display according to your needs. If you need a display to show a lot of data then go for 20*4 size and if there is not too much of data to display then go for 16*2 LCD. It also depends on the packaging size of your project. If space is at a premium then go for smaller sized 16*2 else its 20*4.

 

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Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.

1. Manufacturing Defect
If you receive a product with a manufacturing defect, please notify us within the 3 days of you receive the product, supported by proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost. Please note that if your item is already soldered or modified in manner we will not be able to take it under return.

2. Wrong Item Shipped

If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.

Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.

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