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Questions tagged [tft]

TFT is a thin film transistor. However in common use it normally refers to a type of LCD display technology that uses thin film transistors located close to the pixels to allow higher contrast and beter multiplexing than passive LCD displays.

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Interface a Raspberry Pi to a 4.3" TFT Display

How do I interface this 4.3" TFT display from FocusLCDs.com (https://focuslcds.com/product/4-3-tft-display-resistive-tp-e43rg34827lw2m300-r) to a Raspberry Pi? Do I need additional hardware? Code ...
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Difference between RGB TN and RGB IPS display?

While I know the pros and cons of each type of screen and how IPS is superior to TN screens in viewing angles and color reproduction I'm trying to understand how these two screens operate differently. ...
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63 views

Trouble interfacing with this LCD. Why do I need SPI to make it work?

I'm trying to create my own version of an HDMI decoder board from Adafruit to work with an IPS screen that I have to work with a Raspberry Pi. The pinouts on my screen match almost exactly to the ...
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1answer
36 views

Checking my understanding of this datasheet of a TFT LCD display?

I'm trying to modify an HDMI decoder board by Adafruit(https://learn.adafruit.com/adafruit-tfp401-hdmi-slash-dvi-decoder-to-40-pin-ttl-display/downloads) to work with an IPS screen that has a 51 pin ...
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145 views

Can anyone help me get this running? (ILI9806E TFT on a teensy 3.5)

I am at one of those points where I just can't seem to see the forest for the trees. My previous experience with TFTs has been pretty much 'plug and play' using adafruit's breakout board kit and ...
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1answer
96 views

What is the difference between MCU and TTL screens? [closed]

I'm trying to build a HDMI decoder board for a 4in 480x800 IPS display. I found an HDMI decoder board on adafruit(https://www.adafruit.com/product/2218) which says it works for most 40pin TTL displays....
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1answer
130 views

Matching LCD controllers to LCD compatible panels

Over the years, I've accumulated numerous LCD panels and controller boards salvaged from TVs, Monitors, Cell Phones, digital picture frames, GPS devices and tablets. I would like to reuse the panels ...
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1answer
47 views

HMI design industerial [closed]

I'm planning to design HMI for a product that i want to design. but, I've questions that I couldn't find answers to: 1- TFT or OLED screens, are they reliable? do they last for > 10 years? (ok, yes ...
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1answer
58 views

Question about how the circuit of TV display works

I have a question about how the circuit of TV display works. Does current flow through the gate lines (horizontal lines)?
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1answer
44 views

Need help to interface 1.77" 128x160 TFT ILI9163 in 8bit Serial Mode

I have recently bought a 1.77" LCD RGB LCD display from local market for cheap price. I didn't knew the driver IC of it when I bought. After some googling I have found that the display is very similar ...
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60 views

LCD colors are incorrect: problem with single line resistance?

I have developed a carrier board for a TI AM3358 system on module (SoM) from goembed. To the carrierboard is a 7 inch TFT LCD screen connected with parallel communication. When I connect the LCD ...
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How Backlight luminance affects the screen brightness of an LCD?

I have been tasked to replace the current LCD screen in our product. TFT LCD that we are using now has screen brightness 200 cd/m2 while backlight luminance 4800 cd/m2. I need something that has ...
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1answer
34 views

Interface TFT LCD with PC

So I have this LCD lying around, and I was wondering, is there any way to interface it with a PC? Be it USB, HDMI, VGA, planning to use an old PC with it. I don't need to use the touch controller, ...
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66 views

Getting started ILI9327 based TFT LCD display

I am working with a TFT LCD display. Datasheet here General specs are as follows: Input signals - SPI + RGB Number of pixels - 240 X 400 Driver IC - ILI9327 It comes with a 37 pin flex pcb ...
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1answer
233 views

ILI9341 pinout problem

I recently ordered a LCD TFT 3.2 inch touch display from aliexpress: ILI9341_3.2_TFT_LCD I'm currently going through documentation for the chip (ILI9341_documentation) and I can't "connect" all the ...
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3answers
192 views

For a STM32, can I use a quad SPI and SD card as a framebuffer for a LTDC LCD driver?

I'm using STM32F756 The SD card is 20 MHz and I know the performance would suck for an 800 x 480 display, but will the hardware do it? Or is RAM the only medium required? I screwed up, have no ...
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1answer
250 views

ILI9488 LCD Parallel Bus Interfacing?

I have this 3.5" LCD with a ILI9488 COG driver IC, it supports both serial & parallel interfaces but using SPI I can only get very slow frame rates. The end application will be translating a ...
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62 views

Mini Display 1.8 inch SPI TFT interface to AT89C51 microcontoller

How should I connect the 8 pins on the 1.8 inch TFT display with an AT89C51 microcontroller. This is the kind of display I have :
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1answer
321 views

ILI9341 with STM32 SPI troubles

I am trying to interface with an SPI ILI9341 screen using an STM32 microcontroller. I know there are a whole lot of things that can go wrong with these interfaces, and I've spent an awful lot of time ...
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1answer
544 views

Nucleo STM32L476 and Arduino TFT shield pin mapping

I want to use an Arduino TFT shield (ILI9341) on a Nucleo STM32L476 developement board. This shield use 8 bits MCU mode and work well but the pin implantation for the Arduino connector on the Nucleo ...
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1answer
314 views

Endianess on STM32F4 FSMC output

I'm currently setting up a STM32F407 to evaluate a display module which utilizes a Renesas R61526A Displaycontroller. I was able to set up the project using CubeMX no problem, and the FSMC seems to ...
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2answers
131 views

Arduino - hacking 240 x 160 TFT LCD

I have an 8-bit Monocrome TFT (240 x 160) that is driven by MCU-A. I have MCU-B (Arduino) that needs to read the TFT Display in real-time. So far, I was able to 'split' the Flex wire to both MCU-A and ...
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1answer
813 views

My 2.2" TFT LCD doesn't work (ILI9225 driver)(STM32F1)

Today I was working on this TFT LCD and I don't know why it doesn't work. This LCD is a 2.2" TFT with ILI9225 LCD driver and is connected to my STM32F1. Here is the datasheet of LCD driver: http://...
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1answer
1k views

Interfacing ILI9341 with PIC18Fxx series

I am new to embedded development, so please bear with me. I have to interface a TFT display(ILI9341) with PIC18F452, it does not have any controller chip, I want to run a simulation with Proteus ...
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2answers
198 views

Beaglebone Black LCD/TFT/display and I2C2

I am considering buying a 4D Systems I2C LCD for the BBB, e.g. a 7" touchscreen, which uses the I2C2 bus. The question is, will I be able to use other peripherals on I2C2, on a home made cape, ...
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1answer
363 views

LCD TFT Voltages

I'm making a board for a WF101-1024600AL#Z01B-FC TFT LCD. I don't understand (simply the datasheet doesn't help) what I have to do with VGH, VGL and AVDD. Should I provide these voltages externaly ...
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0answers
252 views

Reusing LCD TFT Panel

Recently I have taken an old MP4 apart so I could maybe reuse some of it's parts. One of them is the touchscreen panel, but the big problem is, I don't know the pin layout of it. Is there a way I ...
2
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3answers
540 views

Driving Nokia TFT LCD with STM32

How do I increase the refresh rate of a Nokia LCD that I'm driving using the STM32F103 microcontroller? The LCD is 132*162 and takes a 9-bit instruction/DATA with RGB for each pixel in 565 format. ...
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1answer
322 views

touch screen foil behind 5mm thick glass

I wish to make a small project that will enable me to control my tablet\ipad behind my shower glass door. I want to be able to put the tablet behind the glass and control it from the other side of the ...
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0answers
60 views

Identify and find datasheet for camera LCD PCB

I took apart an old "Fujifilm Finepix 2800 zoom" camera and wanted to see if I could salvage the LCD. I have managed to identify the LCD and now want to identify the driver IC so I can attempt to ...
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1answer
495 views

Selecting the correct ILI9341 Drive Mode for STM32F407 using FSMC

I have selected the STM32F405 for my next project. With this controller, I am planning to drive a 240x320-TFT with an ILI9341 display controller by using the STM32's internal FSMC interface. I have ...
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1answer
144 views

Need for 3.3V regulator

I have seen several products ( such as the pitft for the raspberry pi, and most other small tft screens) which use a 3.3V regulator on the 5V power rail to provide power to the 3.3V system. In some of ...
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1answer
127 views

Why did my Gameboy shut off during takeoff? [closed]

When I was young I remember playing my Game Boy Advanced SP in the airport terminal. When we boarded we were asked to shut off all electronics. I was setting a high score in Pokémon Pinball: Ruby &...
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0answers
618 views

SSD1289 FSMC interfacing using cubemx for STM32f4 discovery

I am trying to interface TFT LCD via FSMc interface for stm32f4discovery using cubemx. In LCD.c, I defined ...
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1answer
231 views

TFT backlight control via GPIO

I need to control TFT backlight via single GPIO output from atxmega128a4u. The LCD backlight requires +3.0V, while the rest of my schematic runs on +3.3V. I do not have access to backlight ground pin,...
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3answers
86 views

Unsual sizes of TFT, LCD or OLED panels?

On Stackoverflow there was a question about a round TFT display, but that answer was difficult and pricey. What is the possibility of finding rectangular LCD/TFT/OLED displays that are small in ...
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1answer
428 views

LCD Data Pins from different ports

I am using LPC1769 and it's port pins as below image. DB0 to DB15: Port pins of LPC1769 used as data pins for LCD Control Signals for LCD: C/D : Register Select Command or Data /WR : ...
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1answer
573 views

LCD Backlight voltage requirement

For LCD, I have to make back-light voltage provision. As per below image, LEDK1 to LEDK4 pins are internally grounded in LCD module itself. But I have to add series resistor to limit current. LED ...
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1answer
80 views

Storing images for LCD

For TFT LCD, if we want to store images for displaying on screen..can we use flash IC for eg: SST25VF020_2Mbit serial(SPI) flash. Please someone guide since I am newbie to TFT LCD interface. Thanks.
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1answer
939 views

RGB interface with MCU

I am referring 7" LCD (P/N : S070WV20-CT16) for interface with host controller LPC1769. Datasheet Part of datasheet I've added here: TFT has data pins ( R0-R7,G0-G7,B0-B7), Control pins (Mode,DE,...
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1answer
956 views

TFT LCD interface

I am little confused in basic understanding of LCD interface. Many times datasheet suggest 8/16 bits MPU interfacing. Here, for interface we assign GPIO's of microcontroller to respective data pins ...
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3answers
14k views

Simulating TFT LCD (ILI9341) With Proteus V8.3

I am using Mikrobasic for AVR, and Proteus V8.3 ,So i have wired my circuits as you see in this picture: I modified it in Proteus with one IC Atmega128 as you see in this picture: and i used this ...
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1answer
307 views

Energy consumption of a small TFT

I am looking to replace a 4.3 inch TFT (480*270 px - 400-500 mA @ 5V) by a more energy efficient one (other sizes welcome) to go with my raspberry pi driven handheld emulation console. What is the ...
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1answer
475 views

Driving 4.2V TFT by 5V

I have a nooby question: Is it within the range of tolerance to drive a TFT (car electronics 4.3 inch low cost type) which runs on 4.2V internally (12V DCDC-converted to 4.2V by an 'XL1509 adjustable ...
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1answer
48 views

What exactly is the need of Back and Front poch delays in VGA ,TF,LCD Timings?

I am trying to interface a 24 Bit TFT screen. But I am having a hard time understanding the need for Back and Front poch delays and how to calculate these ?
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1answer
106 views

NFC - FPGA - TFT Question [closed]

Im working on an idea but am having a problem finding even a starting point for research. The idea is to have images (video) sent over NFC to a NFC connected to FPGA (or something else could do?) and ...
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1answer
117 views

Flash IC/ CMOS RAM/ microSD in TFT LCD

I have seen cases where TFT module contains flash or SD card on module. What is the need of flash in LCD? In simplest way, we connect RS,RD/WR,CS,RESET pins and 7/8/16/24 bits data pins of controller ...
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1answer
9k views

STM32F407 FSMC interface with TFT LCD

I've written some code to make a FSMC connection between my STM32F407VET6 and a TFT LCD 240x320 pixels. I was checking this several times, however I can't recognize what's wrong. I'm using 16-bit data ...
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0answers
494 views

How to set the gamma?

I have a TFT 2.2 inch Display. like this: Its controller is ILI9341. I ported it to my MCU and everythings work fine. one of the most important things in using a display is Gamma. when you would use ...
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1answer
91 views

TFT LCD panel product no.FH12A-40S-0.5SH(55) (Or Psp 1001 screen) to Xbox VGA

I received a broken PlayStation Portable the other day and decided to try and use the 4.3 LCD screen in a custom Xbox 360 console. Here is the .PDF for the panel. Page 6 and 7 contain the pin-out for ...