1.8 color tft lcd st7735r quotation

Hi guys, welcome to today’s tutorial. Today, we will look on how to use the 1.8″ ST7735  colored TFT display with Arduino. The past few tutorials have been focused on how to use the Nokia 5110 LCD display extensively but there will be a time when we will need to use a colored display or something bigger with additional features, that’s where the 1.8″ ST7735 TFT display comes in.

The ST7735 TFT display is a 1.8″ display with a resolution of 128×160 pixels and can display a wide range of colors ( full 18-bit color, 262,144 shades!). The display uses the SPI protocol for communication and has its own pixel-addressable frame buffer which means it can be used with all kinds of microcontroller and you only need 4 i/o pins. To complement the display, it also comes with an SD card slot on which colored bitmaps can be loaded and easily displayed on the screen.

Due to variation in display pin out from different manufacturers and for clarity, the pin connection between the Arduino and the TFT display is mapped out below:

We will use two libraries from Adafruit to help us easily communicate with the LCD. The libraries include the Adafruit GFX library which can be downloaded here and the Adafruit ST7735 Library which can be downloaded here.

We will use two example sketches to demonstrate the use of the ST7735 TFT display. The first example is the lightweight TFT Display text example sketch from the Adafruit TFT examples. It can be accessed by going to examples -> TFT -> Arduino -> TFTDisplaytext. This example displays the analog value of pin A0 on the display. It is one of the easiest examples that can be used to demonstrate the ability of this display.

The first thing, as usual, is to include the libraries to be used after which we declare the pins on the Arduino to which our LCD pins are connected to. We also make a slight change to the code setting reset pin as pin 8 and DC pin as pin 9 to match our schematics.

Next, we create an object of the library with the pins to which the LCD is connected on the Arduino as parameters. There are two options for this, feel free to choose the most preferred.

All the functions called under the void setup function, perform different functions, some draw lines, some, boxes and text with different font, color and size and they can all be edited to do what your project needs.

Uploading the code to the Arduino board brings a flash of different shapes and text with different colors on the display. I captured one and its shown in the image below.

1.8 color tft lcd st7735r quotation

The 1.8" display has 128x160 color pixels. The TFT driver (ST7735) can display full 18-bit color. The breakout has the TFT display soldered on (it uses a delicate flex-circuit connector)

In the above example, Node32-Lite and this 1.8-inch LCD.  Please refer to the tutorial here: ST7735S interfacing with ESP32 to make the connections, Arduino library installation, and modification needed for it to works on this LCD.

1.8 color tft lcd st7735r quotation

8 Tft spi are mainly used for components and are also connected to the Internet using a CAGR of 1.8 tft spi. They are differ in the way that 1.8 Tft spi control and create a smoother version of the basic ones. When the connectors are inserted in the Tft control system, they create a smoother way of creating the idea of the components.

You can easily find the connections of 1.8 Tft spi in the form of a wholesale Tft lcd display, or for other purposes, it is easy to find the wholesale tft spi components on Alibaba.

While there is a difference between 1.8 Tft spi bulk and 1.8 Tft spi bulk are available in various sizes. The 1.8 Tft lcdds are the simplest versions of Tft LCDs, and for the reason that they are not the same as 1.8 Tft LCDs.

8 Tft spi can be divided in two ways: 1.8 tft spi, 1 inch tft spi, and 1 inch tft spi are the two basic ones. 8 Tft spi have a smaller display and 1.8 tft spi frame of the option, 2 inch lcd display, and 1 inch tft spi are all the same. The options of 1.8 tft spi include the polystyrene lcd display, and 1 inch tft spi.

1.8 color tft lcd st7735r quotation

This lovely little display breakout is the best way to add a small, colorful and bright display to any project. Since the display uses 4-wire SPI to communicate and has its own pixel-addressable frame buffer, it can be used with every kind of microcontroller. Even a very small one with low memory and few pins available!

The 1.8" display has 128x160 color pixels. Unlike the low cost "Nokia 6110" and similar LCD displays, which are CSTN type and thus have poor color and slow refresh, this display is a true TFT! The TFT driver (ST7735R) can display full 18-bit color (262,144 shades!). And the LCD will always come with the same driver chip so there"s no worries that your code will not work from one to the other.

The breakout has the TFT display soldered on (it uses a delicate flex-circuit connector) as well as a ultra-low-dropout 3.3V regulator and a 3/5V level shifter so you can use it with 3.3V or 5V power and logic. We also had a little space so we placed a microSD card holder so you can easily load full color bitmaps from a FAT16/FAT32 formatted microSD card. The microSD card is not included.

1.8 color tft lcd st7735r quotation

The DT018ATFT does not support 4-Wire SPI (also known as "4-line Serial Interface Protocol", 8-bit data, which includes a separate D/C signal line). DT018ATFT does not support this since the signal in ILI9163C datasheet called "SPI4" is hard coded to 0. However, a custom version of the FPC can be tooled to expose the proper 4-Wire SPI signals - please contact us for more details.

1.8 color tft lcd st7735r quotation

This lovely little display breakout is the best way to add a small, colorful, and bright display to any project. Since the display uses 4-wire SPI to communicate and has its own pixel-addressable frame buffer, it can be used with every kind of microcontroller. Even a very small one with low memory and few pins available!

The 1.8″ display has 128×160 color pixels. Unlike the low cost “Nokia 6110” and similar LCD displays, which are CSTN type and thus have poor color and slow refresh, this display is a true TFT! The TFT driver (ST7735R) can display full 18-bit color (262,144 shades!).

And the 1.8 Inch SPI 128×160 TFT LCD Display Module will always come with the same driver chip so there are no worries that your code will not work from one to the other.

The breakout has the TFT display soldered on (it uses a delicate flex-circuit connector) as well as an ultra-low-dropout 3.3V regulator and a 3/5V level shifter so you can use it with 3.3V or 5V power and logic.

1.8 color tft lcd st7735r quotation

You can use TFT displays in HMI products such as room temperature controllers and attendance systems, weather monitoring devices, infotainment systems, and even video game consoles.

Let us see a view of a TFT LCD module. In the following section, we will see the pin definition and the pin mapping table for the connection between Arduino and the TFT display.

A0 / DCData Command Select Pin / Analog PinMost of the time, you have to find the relevant termination needed from the LCD datasheet. Terminate this pin to Logic high using a 10 ㏀

You can see the tradeoff here. Going for a better color resolution provides vibrant display options, but memory usage will increase with the color resolution.

There is a tradeoff between the quality of the display, power consumption, and the simplicity of coding. The TFT displays consume more power and need more programming than a simple monochrome display.

TFT displays provide a faster refresh rate and provide smoother transitions. The quicker processing improves the look and feels of the so-called user experience for the user.

I am confident that the article was beneficial and easy to understand. I have used TFT displays in my hobby projects to learn more about the available libraries.