10 lcd touch screen free sample

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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.

For this tutorial I composed three examples. The first example is distance measurement using ultrasonic sensor. The output from the sensor, or the distance is printed on the screen and using the touch screen we can select the units, either centimeters or inches.

The third example is a game. Actually it’s a replica of the popular Flappy Bird game for smartphones. We can play the game using the push button or even using the touch screen itself.

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.

Next we need to define the fonts that are coming with the libraries and also define some variables needed for the program. In the setup section we need to initiate the screen and the touch, define the pin modes for the connected sensor, the led and the button, and initially call the drawHomeSreen() custom function, which will draw the home screen of the program.

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.

Now we need to make the buttons functional so that when we press them they would send us to the appropriate example. In the setup section we set the character ‘0’ to the currentPage variable, which will indicate that we are at the home screen. So if that’s true, and if we press on the screen this if statement would become true and using these lines here we will get the X and Y coordinates where the screen has been pressed. If that’s the area that covers the first button we will call the drawDistanceSensor() custom function which will activate the distance sensor example. Also we will set the character ‘1’ to the variable currentPage which will indicate that we are at the first example. The drawFrame() custom function is used for highlighting the button when it’s pressed. The same procedure goes for the two other buttons.

So the drawDistanceSensor() custom function needs to be called only once when the button is pressed in order to draw all the graphics of this example in similar way as we described for the home screen. However, the getDistance() custom function needs to be called repeatedly in order to print the latest results of the distance measured by the sensor.

Ok next is the RGB LED Control example. If we press the second button, the drawLedControl() custom function will be called only once for drawing the graphic of that example and the setLedColor() custom function will be repeatedly called. In this function we use the touch screen to set the values of the 3 sliders from 0 to 255. With the if statements we confine the area of each slider and get the X value of the slider. So the values of the X coordinate of each slider are from 38 to 310 pixels and we need to map these values into values from 0 to 255 which will be used as a PWM signal for lighting up the LED. If you need more details how the RGB LED works you can check my particular tutorialfor that. The rest of the code in this custom function is for drawing the sliders. Back in the loop section we only have the back button which also turns off the LED when pressed.

Insert the TF Card to Raspberry Pi, connect the Raspberry Pi and LCD by HDMI cable; connect USB cable to one of the four USB ports of Raspberry Pi, and connect the other end of the USB cable to the USB port of the LCD; then supply power to Raspberry Pi; after that if the display and touch both are OK, it means drive successfully (please use the full 2A for power supply).

After execution, the driver will be installed. The system will automatically restart, and the display screen will rotate 90 degrees to display and touch normally.

The Crestron® TST‑902 wireless touch screen is an advanced wireless controller, engineered to deliver ultimate performance, reliability, and customization for controlling a wide range of technologies. Its thin, tablet‑style design is easy to hold and moves effortlessly between portable and stationary use.1 Its large‑capacity, rechargeable battery affords several hours of operation between charges. Dual‑mode wireless performance with roaming capability assures dependable connectivity throughout a commercial facility or home.

Featuring a high‑contrast 8.7 in. capacitive touch screen with Smart Graphics® technology, the TST-902 allows completely customizable control over media presentation and teleconferencing systems, lighting and shades, HVAC, home theater, and a host of other technologies. Additional advanced features include voice commands for controlling touch screen functions, full-motion streaming video from cameras and other sources, Rava® SIP intercom, and an internet browser.2,3

Smart Graphics® technology enables programmers to integrate fluid gesture‑driven controls, animated feedback, rich metadata, embedded apps and widgets, and full-motion video into their user interfaces. Smart Graphics provides dynamic features such as graphical buttons and sliders, lists and toolbars, drag‑and‑drop objects, dashboard widgets, screensavers, and customizable themes.1

Native support for H.264 and MJPEG formats allows the TST‑902 to display live streaming video from an IP camera, a streaming encoder (DM‑TXRX‑100‑STR or similar), or a DigitalMedia™ switcher.3

Rava SIP Intercom Technology enables hands‑free VoIP communication with other Rava‑enabled touch screens and door stations. Rava works over a network connection, supporting 2-way intercom and paging without requiring any special wiring. Built‑in echo cancellation affords half‑duplex performance for clear, seamless voice communication using the integrated microphone and speakers.2

Customized audio files can be loaded to add another dimension to the touch screen graphics using personalized sounds, button feedback, and voice prompts.

Note: Every TST 902 installation requires a Crestron ER wireless gateway to provide essential wireless capability to the touch screen. The TST 902 will not function over Wi Fi communications alone.

Extended Range RF (Required):Primary functionality is supported via Crestron ER (Extended Range) wireless communications, providing seamless touch screen control with true feedback. A single ER gateway provides dependable wireless performance at a range of up to 200 ft (60 m) indoors.4,5 Roaming capability allows for even greater coverage using up to eight ER gateways.

The TST‑902 has been engineered with Instant‑Waking® technology, where the touch screen display wakes instantly after being touched. Commands are also sent immediately, so spontaneous actions like muting audio, pausing video, or changing a channel can be executed without any waiting.

The TST‑902 includes a table dock for charging its internal battery while simultaneously allowing it to be used as a stationary tabletop touch screen. The table dock holds the TST‑902 firmly at a fixed upright angle while docked, and allows it to be taken off at any time for portable use. Its sleek appearance makes it a perfect fit for any home or office.1

The optional TST‑902‑DSW provides a flush mount, in‑wall docking solution, allowing the TST‑902 to be used as a stationary wall mount touch screen that can be turned into a wireless touch screen at any time.4

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As a TFT LCD manufacturer, we import mother glass from brands including BOE, INNOLUX, and HANSTAR, Century etc., then cut into small size in house, to assemble with in house produced LCD backlight by semi-automatic and fully-automatic equipment. Those processes contain COF(chip-on-glass), FOG(Flex on Glass) assembling, Backlight design and production, FPC design and production. So our experienced engineers have ability to custom the characters of the TFT LCD screen according to customer demands, LCD panel shape also can custom if you can pay glass mask fee, we can custom high brightness TFT LCD, Flex cable, Interface, with touch and control board are all available.

A 10-point multi-touch screen refers to a touch screen that has the ability to recognise and respond to ten simultaneous points of contact. This allows you to easily zoom, flick, rotate, swipe, drag, pinch, press, double tap or use other gestures with up to ten fingers on the screen at the same time.

Initially, touch screen products could only recognise one point of touch and perform one touch movement at a time. The technology then advanced to two points of contact and many touch screens still use this older technology.  But a screen that uses 10-point multi touch technology allows users to perform more complex actions on their touch screens than ever before. It also deals well with a shirt sleeve touching a screen, or a little droplet on the screen which can confuse two-point technology.

Some examples of where the 10-point multi-touch technology is best utilised is in product promotion and data visualisation situations. It allows businesses to tell their story and users can move seamlessly interact and browse through catalogues, data, images, simulations and 3-D presentations.

In presentation scenarios, large multi-touch monitors with 10-point multi-touch technology enable two or more people to operate the same monitor at once, performing independent functions. Applications of this can be in teaching, where a tutor can have two students making two separate input functions at the same time. Commercially, large displays can be used by multiple clients at the same time, either in retail or the hospitality sector. A good example is in a retail store, where a sales rep and a client can both collaborate and perform actions simultaneously on the same touch screen.

At InTouch Screens, we offer only the best in 10-point multi-touch technology, with a range in sizes from 10” to 55” screens. Our technology is the same technology used in most smartphones, so most users are comfortable with it immediately. Our driver-free plug-and-play operation for Windows touch screen solutions provides the simplest and fastest possible rollout. Simply plug the USB cable into your Windows PC and you are ready to flick the switch.

Additionally, our minimalist designs with flat bezel free screens and edge-to-edge glass make us a market leader in aesthetics and design. All of our touch screens are built with high-quality commercial grade components and toughened glass for projects where robustness and reliability are important. They are created to run 24 hours a day, 7 days a week, and we provide a 3-year warranty as standard.

When ordering any of our 10-point multi touch screen products, expect fast delivery across Australia. Contact us today and speak to one of our friendly sales team[email protected]or telephone 1300 557 219