Questions tagged [ili9341]
12 questions
2
votes
1 answer
Do you need initialization when sending raw RGB data to a ILI9341 based LCD?
The title pretty much says it all. Can I just send RGB data according to the protocol or I need some init before that to make it work?
user34920
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1
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1 answer
STM32 C library for ILI9341 TFT LCD with 16-bit data bus?
I'm using FSMC with ILI9341 LCD and I have some troubles with the LCD.
The LCD comes in lot of different sorts, but this one do I have.
I'm using this library but the problem is that I get only two colors at my LCD screen. Black and Purple. That's…
euraad
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1
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0 answers
ESP32 ILI9341 Intermittent White Flashing Screen on Power Up
I am designing a tool for a CNC Machine and it's my first attempt at PCB design, I was looking for some help in troubleshooting an issue.
I'm using an ESP32 MCU and it's connected to an ILI9341 2.8" TFT screen. The issue I am having is that anytime…
Kenneth Orton
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1
vote
1 answer
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 pins on the pcb of the display to the pins on the…
Lazyboy
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1
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1 answer
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 not decided exactly which display I am going to…
Havefun
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0
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3 answers
ILI9341 TFT display in XIAO ESP32 Seeeduino MISO issue
I am using a XIAO ESP32 Seeeduino with an ILI9341 TFT display that is working great. The touch screen is also working well.
The problem is that I have to disconnect the MISO connection every time I power on the ESP32. When I power on the ESP32 the…
0
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3 answers
How much current does the back light of ILI9341 LCD take?
I'm planning to do a turn-on-back-light construction with transistors like this:
Where the LED is the back light of the LCD ILI9341.
But to select the resistors, I need to find first how much current the back light of ILI9341 take. Do you know how…
euraad
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0
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1 answer
problem with ili9341 touch interface using stm32f103ret6
I successfully used a HAL library to drive a TFT ili9341 LCD with xpt2046 touch driver and tried drawing a line on the LCD by touching the LCD and the code was perfectly accurate then I rewrote the code with registers. the touch is not accurate now…
salar1991
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0
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1 answer
problem with using ili9341 TFT LCD with stm32f103RE
i successfully used a HAL code i found on Github for driving an ili9341 TFT LCD with SPI then I rewrote the code with registers. Part of my code works and i am able to fill pixels with color but when i try to use a function named…
salar1991
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0
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0 answers
ili9341 using 3 wire with stm32f030
I am working with ili9341 TFT Display with STM32F0 MCU. And TFT display was connected with 3 configuration.
I am confused between sending the "command" and "data" using spi communication.
So can anyone guide me, for sending "command" and "data" to…
SACHIN RAJPUT
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1 answer
STM32 - SPI - RTOS problem
I'm working on a project that uses a 2.8" arduino LCD. The LCD uses an ILI9341 driver. Now I'm testing this library: https://github.com/martnak/STM32-ILI9341 with an STM32F4-Discovery board (STM32F407) that runs RTOS. The problem is, if I do not use…
Gonzalo Cervetti
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1 answer
ILI9341 Library for arduino
I'm writing an arduino library for ILI9341 tft display.
I tried to write on the display but nothing appears. Why?
How can I solve the problem ?
My source code:
/* DISPLAY PINS */
#define LCD_RST A4 //reset
#define LCD_CS A3
#define LCD_RS…
jhon tonini
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