25cm tft display free sample

I"ve been working on a project that used a 16x2 LCD display and wanted a nice finish that also allowed me to seal against water and other liquids. I also needed impact resistance, low cost and the ability to be changed easily if worn or broken.

So, eventually I tried something else and ended up with what I think is a nice professional finish that is easy to do, cheap, and results in an iPhone type black glass frame style, with a clear window exactly the right size to show the display properly. It can also be easily adapted to any other type or size of display.

I took the original dimensions of the 16x2 LCD display I had and drew it up, including the stand-off holes. I then added an additional 5mm surround to give my bezel additional strength around the fixing holes, and also to make it look better since the holes wouldn"t be right on the edge.

For the 16x2 LCD the display area is approx 15mm x 65mm. I made my window 14mm x 64mm so there is a slight overlap to the display so no edges can be seen.

Remove the template and then peel the outer area of tape away and this will leave a nice clean cut 14mm x 64mm piece where our display will eventually show through.

EDIT: On making one for a 64x128 1.8" TFT display it occurred to me that we can simply mask the back side of the acrylic completely. This ensures 100% that you don"t get any overspray on what will become the top face. When everything is dry just peel off the masking on the other side too.

Apply a generous coating of spray paint from a distance of 15-25cm minimum. DO light coats and repeat as necessary. Take care to also paint the acrylic edges if you want this, although these will appear coloured anyway.

Awesome idea! I"m just starting on an Arduino based chess timer project with a small VFD display and a couple of those big "arcade" style microswitch buttons for my son and was thinking about how to make a decent looking hole / bezel for the display. Your instructable solved my problem elegantly! Thanks and thumbs up for you!

Another trick is to use stand-offs behind the front panel, bolted to the front panel via countersunk holes at the front with the relevant bolts, then mount the operstional display etc to the stand-offs. The front bezel can then be applied OVER the countersunk bolts using double-sided adhesive or using a silicone bead as it should never need to come off again. I am using this process currently for a frequency meter display.

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In this Arduino touch screen tutorial we will learn how to use TFT LCD Touch Screen with Arduino. You can watch the following video or read the written tutorial below.

As an example I am using a 3.2” TFT Touch Screen in a combination with a TFT LCD Arduino Mega Shield. We need a shield because the TFT Touch screen works at 3.3V and the Arduino Mega outputs are 5 V. For the first example I have the HC-SR04 ultrasonic sensor, then for the second example an RGB LED with three resistors and a push button for the game example. Also I had to make a custom made pin header like this, by soldering pin headers and bend on of them so I could insert them in between the Arduino Board and the TFT Shield.

Here’s the circuit schematic. We will use the GND pin, the digital pins from 8 to 13, as well as the pin number 14. As the 5V pins are already used by the TFT Screen I will use the pin number 13 as VCC, by setting it right away high in the setup section of code.

I will use the UTFT and URTouch libraries made by Henning Karlsen. Here I would like to say thanks to him for the incredible work he has done. The libraries enable really easy use of the TFT Screens, and they work with many different TFT screens sizes, shields and controllers. You can download these libraries from his website, RinkyDinkElectronics.com and also find a lot of demo examples and detailed documentation of how to use them.

After we include the libraries we need to create UTFT and URTouch objects. The parameters of these objects depends on the model of the TFT Screen and Shield and these details can be also found in the documentation of the libraries.

So now I will explain how we can make the home screen of the program. With the setBackColor() function we need to set the background color of the text, black one in our case. Then we need to set the color to white, set the big font and using the print() function, we will print the string “Arduino TFT Tutorial” at the center of the screen and 10 pixels  down the Y – Axis of the screen. Next we will set the color to red and draw the red line below the text. After that we need to set the color back to white, and print the two other strings, “by HowToMechatronics.com” using the small font and “Select Example” using the big font.

TFT displays are full color LCDs providing bright, vivid colors with the ability to show quick animations, complex graphics, and custom fonts with different touchscreen options. Available in industry standard sizes and resolutions. These displays come as standard, premium MVA, sunlight readable, or IPS display types with a variety of interface options including HDMI, SPI and LVDS. Our line of TFT modules include a custom PCB that support HDMI interface, audio support or HMI solutions with on-board FTDI Embedded Video Engine (EVE2).