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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No touch points close to the edge of the screen
Just for fun and to learn, I'm writing code to drive a 800x480 TFT with resistive touch driven by an RA8875 and an ATmega328P and avr-libc.
It works fine so far but when reading touch events, I don't ...
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ST7735 1.44" SPI TFT GreenTab: white lines/ghosting (no hardware fault!)
I have been using SPI-TFTs for a while now, usually the 1.8 inch 160x128 also with ST7735 controller. No problems.
I bought multiple 1.44" ST7735 square 128x128 TFTs over the last year. Today I ...
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LCD_TFT HSYNC | LCDTFT VSYNC | LCD_TFT DE
I have a 320*240 LCD with an ili9341 driver that I want to drive using the LTDC unit of a microcontroller. However, according to the datasheet, my LCD does not have VSYNC, HSYNC, and DE pins. Can you ...
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Fixing TFT flexible pcb [closed]
I have damaged the flexible/ribon pcb on my display (as shown in the pictures below). I was thinking about soldering it, but the traces are tiny. Replacement isn’t possible.
What do you guys think i ...
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STM32 LTDC design considerations with an 18-bit vs 24-bit RGB interface
I'm using a LCD with a ST7701S driver and it has an 18-bit RBG interface. To control it I am using a STM32H7 with the LTDC peripheral. I have been prototyping with the STM32H745-Disco which has a LCD ...
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EMC-EFT problem with touch screen
Before taking this job, I had never been in a laboratory and did not know these topics. Moreover, when the chief engineer left work, all the testing was left to me. This device passed RE and CE side ...
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Adding backlight control for Raspberry Pi Zero 3.5 inch tft touch display (GPIO)
Can somebody please help me how i can modify TFT35 display for backlight control with PWM (Raspberry Pi Zero 2 - GPIO 18). I found one solution on GitHub (https://github.com/wild-mustango/VenusOsTFT35)...
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How do I control the brightness of a TFT LCD through SPI (No Backlight Pin)
I recently purchased a TFT LCD (GMT020-02 VER1.1)
The screen uses the ST7789V LED Driver and does not include a backlight control pin, So Originally I though that it was impossible to control it (i.e ...
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How is it possible to change RGB color filter panel to BGR color filter panel if the color filter is physically firmly mounted on the LCD display?
How is it possible to change RGB color filter panel to BGR color filter panel if the color filter is physically firmly mounted on the LCD display?
TFT display design.
Are RGB colors created only by ...
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Is it possible to re-use a 7 inches TFT Display on Raspberry-Pi? [duplicate]
I'm trying to re-use a display I recovered from an old digital photo frame as a display for a Raspberry Pi.
The display is a TFT 7" LCD with backlight, but it comes with a 26-pin flat cable for ...
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Have I configured the correct current supply for my TFT LCD Backlight?
I am currently working on a custom PCB which integrates a 3.5" TFT LCD. I am planning on driving the TFT backlight using a MIC4801 LED Driver and want to make sure I have configured the correct ...
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ST7735 driver IC connection with TFT DISPLAY
I am a noob to electronics and thinking of using this 128x160 1.8 inch Color TFT LCD Display with ST7735 Controller SPI in my project. So, does the TFT Display come with a pre-programmed ST7735 ...
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Can I run my 3.5" TFT backlight off of a 3.3V supply?
I just wanted to confirm my thoughts on the selection of resistor value for a 3.5" TFT screen I am working with.
The datasheet gives a forward voltage of 3.2 V and a forward current of 120 mA.
...
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How to connect 8-bit display to GPIO extender
I wanted to connect an 8-bit resistive touch display to a I2C GPIO extender which get's connected to a ESP-32, as seen in the picture
The display has a lot of pins, and I really need to know if I ...
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STM32F769I-DISCO - Really noisy TFT LCD display
I am a new user of an STM32F769I-DISCO MCU and the problem I'm having is with one of the examples called "BSP".
I'm using the STM32CubeIDE to build and run the files. The program does build ...
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