note 5 lcd touch screen free sample

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 next example is controlling an RGB LED using these three RGB sliders. For example if we start to slide the blue slider, the LED will light up in blue and increase the light as we would go to the maximum value. So the sliders can move from 0 to 255 and with their combination we can set any color to the RGB LED,  but just keep in mind that the LED cannot represent the colors that much accurate.

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.

A longer touch & hold delay means that you need to keep your finger in the same place for longer before your tap becomes a touch & hold. If you find that you accidentally touch & hold when you intend to tap, consider choosing a longer delay.

"Touch & hold" is a common gesture on Android devices. It means that you touch an item on the screen and don"t lift your finger until the item responds.

Many times, touch & hold lets you take action on something on your screen. For example, to move an app icon on your home screen, touch & hold, then drag it to the new location. Sometimes touch & hold is called a "long press."

In this galaxy not that long ago, Samsung released what could arguably be the first device to put ‘phablet’ in all of our vocabularies, the Galaxy Note.

Fast forward to their recent announcement, Samsung boasted how they knew (“way”) back then people wanted mobile devices with large(r) screens, and with that said, they announced the Galaxy Note 5. It appears Samsung believes full-heartedly if they continue to give the people what the people want, then the people will continue to give Samsung what Samsung wants - a profit.

The Galaxy Note 5 has more in common with the Samsung Galaxy S6 and S6 Edge than with its predecessor the Note 4. Both Notes do have the same large 5.7” screen and both come with an S-Pen, but the glass and metal enclosure of the Note 5, its thickness, and even its Shannon design are basically the Galaxy S6 and S6 Edge, with a larger screen and a newly improved S-Pen.

We found one Shannon difference in the Galaxy Note 5, a new Shannon 9331 RF Transceiver, and what appears to be a big win for Murata, supplying three of the four RF antennas switches, while Skyworks and Avago continue to win with their set of respective RF power amplifiers.

We did mention the displays for both the Galaxy Note 4 and Note 5 have similar specifications. Mobile device displays are most often the heaviest weight on the overall BoM of the device, and the Galaxy Note 5 display cost is no exception here. However some time has past since the release of the Note 4, and with the natural cost and pricing reduction over time we estimate the Galaxy Note 5 display cost to be slightly lower than that of the Note 4.

The slight savings Samsung reaped in the lower costs of the display were quickly spent, and then some, when Samsung abandoned the plastic enclosure used in the Galaxy Note 4 and jumped all in for the Galaxy Note 5, using the same glass and metal design seen in Galaxy S6 and S6 Edge. This gives the Note 5 more heft, but more importantly, the non-electronic BoM between the Note 4 and the Note 5 is considerably different. The Galaxy Note 5 non-electronics costs easily doubled that of the Galaxy Note 4 by our estimates. However, comparing the Note 4’s plastic design to that of the Note 5 glass and metal design would be like...comparing Apples to oranges.

Before we talk about that fruit company, let’s stay on point and compare Samsung versus other Samsungs. The Galaxy S6 and S6 Edge devices were Samsung’s first truly non-plastic enclosures, so it was no surprise the Note 5 non-electronics costs were only slightly more than the S6 devices due to the larger size of the Galaxy Note 5.

Yes, of course we did. With the exception of the Apple 5C, most iPhones have had a significant percentage of their overall costs go towards non-electronic parts. We compared the Galaxy Note 5 against the Apple equivalent iPhone 6+. Interestingly, Apple “wins” here, outspending Samsung by almost $5 per device on mechanical materials. This could be attributed to the Apple aluminum design, which we hear could be changing here very soon to a less bendable metal combination.

This device is definitely more on a level of the iPhone 6 Plus with the inclusion of the glass and metal enclosure, a more enhanced S-Pen, more RAM, and what seems to be a solid Shannon RF design. At the end of the day, not a lot of surprises with the Note 5. Samsung saved here and there in some areas and then spent the saving in others, like more memory and mechanical costs.

The relatively duplicate Shannon design, the use of the same Exynos 7420 processor, Micron memory, Avago and Skyworks still making their appearances in the familiar spots means at the end of our Deep Dive analysis we are expecting to see the IC electronic costs to be very close to the same as the Galaxy S6 and S6 Edge. Our first QTT estimates for the Galaxy Note 5 indicate this is going to be true.

If you say the title fast enough it almost sounds like a complicated math problem, and may be a problem for Xiaomi. The Samsung Galaxy Note 5 wasn’t the only device to arrive in labs last week, we also received the OnePlus 2, a device garnering a lot of attention as well.

Instead of the Chinese powerhouse Xiaomi having to contend with the popular Apple and Samsung brands, a third popular OEM like OnePlus will definitely make things more interesting in the Chinese market. OnePlus took some media strategy notes, making their latest flagship, the OnePlus 2 available by invitation only (initially). Xiaomi will have to answer with something big for their next rumored flagship, the Xiaomi Mi 5. Check out our OnePlus 2 quick turn to get a quick look and some insights of how this latest device compared to the original OnePlus flagship.