kuman 3.5 tft lcd shield arduino price

The touchscreen came on time and looks to be in mint condition. My project is to make a Kuman 3.5 TFT lcd marry a Keystudio Mega 2560. I"m about three hours into my weekend now and I"m clearly missing something quite obvious when it comes to lights and action. When I plug the Mega into the hard drive computer port it lights up and when I check the device manager I can see the the Mega is listed in ports com. If I plug the Kuman touchscreen into the Mega the lights go off on the Mega board and the device manager resets to not show the Mega. The Kuman TFT comes with a small cd with libraries and so forth. When I upload the test library it works okay (within the IDE sketch) when I verify, but when I go to upload to the actual board I get this error message. I have searched the Arduino IDE site for these particular devices. I have found several Kuman videos on you tube but for a different style that has only one row of pins on the side. I"ve uploaded every library I can think of or have heard suggested. I suspect this is a simple problem but I may be more simple. I am open to any primary or basic suggestions if you can spare the time. This is the model I"m using. I also have a spare legit Uno lying around and I get the same results. Do I have the pins lined up wrong? They are actually pressed into place, in the photos I just wanted to show you the positions. What am I doing wrong please? Update...well it works if I follow the pin diagrams with leads, add power and change one letter in the code. So I powered it up, I assume the rest of the test programs will follow. * update - turns out the first two pins on the mega are not to be used and then everything lines up and works. I have a slow learning curve.

Note: There is a film on the LCD, if there is scratch on the film when you receive the item, pls try to remove the film with your finger nail from the corner of the LCD, thanks.

Note: There is a film on the LCD, if there is scratch on the film when you receive the item, pls try to remove the film with your finger nail from the corner of the LCD, thanks.

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.

In order the code to work and compile you will have to include an addition “.c” file in the same directory with the Arduino sketch. This file is for the third game example and it’s a bitmap of the bird. For more details how this part of the code work  you can check my particular tutorial. Here you can download that file:

I bought online this LCD Touchscreen Kuman SC3A-NEW-UK. It uses ILI9486 drivers, but it didn"t include any instructions manual, and kumantech.com seems to be devoid of complete technical documentation about SC3A-NEW-UK model.

Just in case it wasn"t noticable: I am trying to make a "Hello World" for my SC3A-NEW-UK"s LCD Touchscreen from an Arduino UNO board. In other words: just print "Hello World" to see if it works.

To see if I can use it, I tried downloading a whole ZIP from this Github project, and inside the Arduino IDE, I tried adding the downloaded library using the option "Include .ZIP library". If I copy-paste the code example provided within README.md (the following) and compile:

This compiled in Arduino IDE, no problem, but I still don"t know if it will work well with my screen. I am also confused about initialization of the TFT object and how would I have to wire the LCD screen to the Arduino depending on this initialization:

...i mean, my LCD screen has CS and RESET pins, but what is DC supposed to be here? (in this context, I don"t think it stands for "Direct Current"... but there"s no DC pin reference in my LCD screen written "AS IS"... ?? This brings me more confusion...

...specially having in mind that I don"t know how am I supposed to wire the LCD screen to the Arduino yet. It seems the LCD pins have been designed to fit in directly to the Arduino board without thinking too much about it (like the shape is the same), but that would make the screen getting all the Arduino UNO"s pins for itself, so I don"t think so...

...so, powering the screen shouldn"t be a big deal, but, how am I supposed to connect everything else? I am completely misguided about how am I supposed to interact with the screen from Arduino code... what is RS pin for? Should I use 4-bit or 8-bit mode? (I think 4-bit would imply connecting 4 digital pins for the screen, and 8-bit the whole 8 pins from screen to the Arduino UNO board)? Should I use LCD_RD and LCD_WR? Well you have a picture of my confusion.

Even though I know how to control Input/Output in Arduino code to interact with analog/digital input and output pins at will with C++ in Arduino code (but even so, I think I"m still an Arduino n00b), this LCD screen"s physical interface is very confusing to me...

PD: I have read somewhere that this SC3A-NEW-UK Touchscreen is made to shield Arduino MEGA boards (by fitting the PINs directly into it), but mine is an Arduino UNO Board! (perhaps I shouldn"t have bought This LCD model, then?)... but I have sets of wires, pinboards and stuff... I don"t want to give up the idea of harnessing this LCD screen using an Arduino UNO. I don"t care about shielding feature, I just want to wire it and make it work. I will figure out how to shield electronics later on.

Based on VE7JRO"s answer, I managed to map the connections by seeing where the connections would go if I just fit the connections shielding the Arduino UNO, the way VE7JRO suggested:

I put NONE for A5 input, because that pin of LCD screen doesn"t have any name on it. There are another ones without name as well, that I didn"t include in this table. I believe (perhaps I"m wrong believing it, I don"t know) that those pins without name have no use.

The bad thing about this layout is that it consumes almost all the Arduino pins, so I would not be able to attach additional circuits. However, perhaps I should not be worrying about earning connections yet, before testing the screen.

I still don"t know much of the details about what pins do what for the screen, but I have read somewhere that LCD_D0 to LCD_D7 are meant to receive digital data in some kind of 8-bit parallel mode. But I also heard that there is a 4-bit mode. If I could use that mode with this screen, I would be able to have 4 free digital pins for anything else...

I tested VE7JRO"s code. LCD Screen did draw the interface as expected. But buttons didn"t respond. I found out the code sample needs further calibration.

The fifth parameter is supposed to be the resistance measured between LCD_D6 and LCD_RS with the screen unplugged. Unfortunately, my multimeter can"t measure it for some reason (I put it in 2000 Ohms mode for reading resistance: I always get "1", the same than when I don"t connect anything... like if multimeter"s contacts aren"t working well, I don"t know)... so I left the default 300 value.

page1_btn.initButton(&tft, tft.width() / 2. , tft.height() / 2. - (1.*btnHeight + margin), 2 * btnWidth, btnHeight, WHITE, GREEN, BLACK, "SENSOR", 2);

page3_btn.initButton(&tft, tft.width() / 2., tft.height() / 2. + (1.*btnHeight + margin), 2 * btnWidth, btnHeight, WHITE, GREEN, BLACK, "PARAMETER", 2);

tft.drawRoundRect(tft.width() / 2. - 1.5 * btnWidth, tft.height() / 2. - (1.5 * btnHeight + 2 * margin), 2 * btnWidth + btnWidth, 3 * btnHeight + 4 * margin, 10, GREEN);

plus_btn.initButton(&tft, tft.width() / 2. - btnWidth / 2. , 60 + 3 * 4 + 6 * 8 + (btnWidth - 30), btnWidth - 20, btnWidth - 30, WHITE, GREEN, BLACK, "+", 5);

minus_btn.initButton(&tft, tft.width() / 2. + btnWidth / 2. + margin, 60 + 3 * 4 + 6 * 8 + (btnWidth - 30), btnWidth - 20, btnWidth - 30, WHITE, GREEN, BLACK, "-", 5);

if (bColor != 255) tft.fillRect(x - nbChar * 3 * tsize - marg, y - nbChar * 1 * tsize - marg, nbChar * 6 * tsize + 2 * marg, nbChar * 2 * tsize + 2 * marg, bColor);

i had the same issues with this 3,5" TFT LCD and wiring it to an ESP32 and making the TouchScreen work. However i managed to find a solution to the problem. Lets start with the wiring:

TFT LCDs are the most popular color displays – the displays in smartphones, tablets, and laptops are actually the TFT LCDs only. There are TFT LCD shields available for Arduino in a variety of sizes like 1.44″, 1.8″, 2.0″, 2.4″, and 2.8″. Arduino is quite a humble machine whenever it comes to process or control graphics. After all, it is a microcontroller platform, and graphical applications usually require much greater processing resources. Still, Arduino is capable enough to control small display units. TFT LCDs are colorful display screens that can host beautiful user interfaces.

Most of the smaller TFT LCD shields can be controlled using the Adafruit TFT LCD library. There is also a larger TFT LCD shield of 3.5 inches, with an ILI9486 8-bit driver.

The Adafruit library does not support the ILI9486 driver. Actually, the Adafruit library is written to control only TFT displays smaller than 3.5 inches. To control the 3.5 inch TFT LCD touch screen, we need another library. This is MCUFRIEND_kbv. The MCUFRIEND_kbv library is, in fact, even easier to use in comparison to the Adafruit TFT LCD library. This library only requires instantiating a TFT object and even does not require specifying pin connections.

TFT LCDs for ArduinoUser interfaces are an essential part of any embedded application. The user interface enables any interaction with the end-user and makes possible the ultimate use of the device. The user interfaces are hosted using a number of devices like seven-segments, character LCDs, graphical LCDs, and full-color TFT LCDs. Out of all these devices, only full-color TFT displays are capable of hosting sophisticated interfaces. A sophisticated user interface may have many data fields to display or may need to host menus and sub-menus or host interactive graphics. A TFT LCD is an active matrix LCD capable of hosting high-quality images.

Arduino operates at low frequency. That is why it is not possible to render high-definition images or videos with Arduino. However, Arduino can control a small TFT display screen rendering graphically enriched data and commands. By interfacing a TFT LCD touch screen with Arduino, it is possible to render interactive graphics, menus, charts, graphs, and user panels.

Some of the popular full-color TFT LCDs available for Arduino include 3.5″ 480×320 display, 2.8″ 400×200 display, 2.4″ 320×240 display and 1.8″ 220×176 display. A TFT screen of appropriate size and resolution can be selected as per a given application.

If the user interface has only graphical data and commands, Atmega328 Arduino boards can control the display. If the user interface is a large program hosting several menus and/or submenus, Arduino Mega2560 should be preferred to control the TFT display. If the user interface needs to host high-resolution images and motions, ARM core Arduino boards like the DUE should be used to control the TFT display.

MCUFRIEND_kbv libraryAdafruit TFT LCD library supports only small TFT displays. For large TFT display shields like 3.5-inch, 3.6-inch, 3.95-inch, including 2.4-inch and 2.8-inch TFT LCDs, MCUFRIEND_kbv library is useful. This library has been designed to control 28-pin TFT LCD shields for Arduino UNO. It also works with Arduino Mega2560. Apart from UNO and Mega2560, the library also supports LEONARDO, DUE, ZERO, and M0-PRO. It also runs on NUCLEO-F103 and TEENSY3.2 with Sparkfun Adapter. The Mcufriend-style shields tend to have a resistive TouchScreen on A1, 7, A2, 6 but are not always in the same direction rotation. The MCUFRIEND_kbv library can be included in an Arduino sketch from the library manager.

The 3.5-inch TFT LCD shield needs to be plugged atop the Arduino board. The Mcufriend-style shields are designed to fit into all the above-mentioned Arduino boards. The shields have a TFT touch screen that can display colorful images and interfaces and a micro SD card reader to save images and other data. A 3.5-inch TFT LCD touch screen has the following pin diagram.

Today, you will learn how you can create and use buttons in your Arduino TFT Touchscreen projects.I"m using Kuman"s 2.8" TFT Shield combined with Kuman"s Arduino UNO. Bonus: The TFT Shield from Kuman comes with a free Stylus which you can use for more precise presses!

Clip in the shield onto your Arduino board. Make sure it"s not in the wrong way!You can use the pictures above for reference. Plug in your Arduino board to your PC and hop into the Arduino Software.

I tried it with your sketch, but it did not work firstly. However I fixed some part of the sketch, it worked. "tft.begin(0x9325);" to " tft.begin(0x9341);"0

Please note that you need to install our Jessie OS with the pre-installed drives on a new or format SD card, If you dont install our jessic OS with the pre-installed drives, you will be starting at a white LCD panel.We have do test on OS, If you want to use Other system, maybe you need to add drivers by yourself.

I designed this case so I could have the TFT35 screen from a Raspberry Pi on the front of my Ratrig V-Core 3. ...It will probably fit other extrusions but it was designed to sit nicely on 3030 extrusion that the Ratrig has.

I designed this case so I could have the TFT35 screen from a Raspberry Pi on the front of my Ratrig V-Core 3. ...It will probably fit other extrusions but it was designed to sit nicely on 3030 extrusion that the Ratrig has. Print Settings Printer:...

3.5 inch TFT LCD touch screen waveshare. ...Arduino Shield.assembled in a bracket with M2x8 screws and M2-IUTB-inserts.Designed By Alon Rahamim from Trixel Engineering.

It also hold a 3.5 Inch TFT Screen. It is made of nine 3.25mm pieces that all connect with four - 3mm screws. Its very easy to print and assemble. Print each piece in any color you want and then just assemble in order 1 through...

This is a slightly tilted (and upright version included) holder for an Arduino mounted ILI9488 3.5" TFT display with touch and TF card reader. While not a complete enclosure, it looks a bit more elegant and is a bit more short-out-safe than having...

Since I switched to klipper and didn"t feel like figuring out the stock screen, I ended up using a Kuman 3.5" tft and a Pi3b+ for my klipper conversion.

Simplified model of a 3.5 inch LCD for Raspberry Pi. ...I used the usb connectors from this model: Raspberry Pi 3 Model B Reference Design Solidworks CAD Raspberry-Pi Raspberrypi Rpi

Fit an [Adafruit 3.5" TFT LCD touchscreen](https://www.adafruit.com/product/2441) [Octopi rig](https://octoprint.org/) in the front panel of the [Prusa i3 Mk3](https://www.prusa3d.com/original-prusa-i3-mk3/), keeping it centered on the printer...

Lerdge 3.5 inch screen Features:Add all-inclusive steel frame for the touch screen, more stable.The motherboard adopts resistance to touch, man-machine interaction provides a variety of options.High-resolution of 480*320.Support high-speed hardware...

This is enclosure for [Mellow FLY TFT V1 3.5 inches](https://aliexpress.com/item/1005004091787313.html). ...The enclosure was designed for Ender 3 printer.

Pi TFT plus Console Case for 3.5 Inch Displays Some additions for using displays without mounting holes: The support frame to place between Display und PI to give the display a better foundation then the connector plug alone could give (fits tightly...

Screen used is KeDei 3.5 inch LCD TFT 320x480 touch screen (sample link https://www.aliexpress.com/item/New-Original-3-5-Inch-LCD-TFT-Touch-Screen-Display-for-Raspberry-Pi-2-Raspberry-Pi/32851565266.html). ... You will need: - The screen (KeDei 3.5 inch...

This is a case for Raspberry Pi 4 with 3.5 inch TFT/LCD Display. It is a tight fit and may require some wriggling to fit the PI in. ...This is a very simple and a sleek case.

ER-TFTM050-3 is 5 inch tft lcd module WVGA 800x480 display,serial,spi,i2c parallel interface,RA8875 controller,capacitive or resistive touch screen panel.Souce from EastRising/buydisplay.com

I"ve designed this and use it for holding this screen: http://www.banggood.com/FPV-4_3-Inch-TFT-LCD-Monitor-Screen-For-RC-Models-p-940817.html on my Turnigy 9X remote.

Are are links to the hardware: * [kuman for Raspberry Pi 3B+ TFT LCD Display, 3.5 Inch 480x320 TFT Touch Screen Monitor for Raspberry Pi Model B A+ SPI Interface with Touch Pen SC06](https://amzn.to/33aILS4) * [CableCreation [2-Pack] 3.2 feet Right...

This is a slanted box for compact projects incorporating a 3.2" TFT display such as this one which can be found on Aliexpress and many other places for about $USD8: https://www.aliexpress.com/item/32960934541.html I typically use a daughter card...

The display support comes before the assembly on the RJ45 connection. As a touch screen, I use the Elegoo Display 3.5 "inch TFT LCD touch screen monitor 480x320 for Raspberry Pi.

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