Linked Questions

5 votes
2 answers
11k views

How to check if SPI is enabled and functional on Raspi 3b+?

I have run raspi-config and enabled SPI and also verified that /boot/config.txt contains the line: dtparam=spi=on However, when I run lsmod | grep spi I get the following: spidev ...
glenneroo's user avatar
  • 155
1 vote
1 answer
15k views

Wiring up a ILI9341 TFT Screen + Touch

I've bought a ILI9341 TFT LCD Screen + Touch to my Raspberry pi. The screen is the MI0283QT-9A "TFT PROTO", from Mikroeletronika. Here is the link to the producer's page. It has an ILI9341 chipset, ...
user3430483's user avatar
1 vote
2 answers
4k views

Is 0.96 inch display (ST7735S) working with raspberry pi?

I'm not able to find any documentation. Is 0.96 inch display (ST7735S) working with Raspberry Pi? I would like some advice on how to connect the pins. Thank you for help.
Andy Andy's user avatar
  • 131
2 votes
2 answers
2k views

I want to use spi0 and spi1

I try to use my RPi3 and the RC522 and a touchscreen display as well so i need to put my RC522 on the auxiliary SPI1 right ? How can I do it ?
mohamed mohsen's user avatar
1 vote
1 answer
3k views

Raspberry Pi 4 Installed screen drivers but disabled my hdmi

I bought a touchscreen and installed the drivers for it, but now my hdmi doesn't work. I am currently running Raspbian on Raspberry Pi 4 model B.And I have a 3.5 inch tft screen.I do not no what ...
Julian's user avatar
  • 21
1 vote
1 answer
4k views

HDMI + GPIO Dual Screen

I am running Raspbian 4.19.34 with HDMI monitor (FullHD). I bought 5" LCD which connects to Raspberry using GPIO pins (by rpi rgb lcd and vga board). I am trying to get it to work like 2 screens. ...
Abit Gray's user avatar
0 votes
1 answer
3k views

Unable to open device /dev/spi

I'm trying to communicate with a 128x64 screen on SPI (GFX-hat pimori). It seems that the device /dev/spi* does not exist, I looked at how to do it on the net, but the device refuses to be created. ...
remic's user avatar
  • 11
0 votes
3 answers
3k views

Troubleshooting: RPi 4B & ILI9341 display

I bought a generic 2.8" TFT LCD 240x320 Serial SPI Display that uses the ILI9341 driver. I cannot seem to make it work with my RPi 4B. Does anyone have an idea as to why? Or ideas to further ...
Nils Deschrijver's user avatar
2 votes
2 answers
878 views

HELP, undo code that was for another touch LCD screen. Now it won't boot all the way

How can I undo the sudo code that was run with the wrong type of LCD "...-show" The system boots to a certain point and then just does not continue. Ive tried mounting the micro sd and see if I can ...
user103985's user avatar
1 vote
2 answers
2k views

Why is SPI not working on any of my Raspis?

I tried it on both Raspi 3 and 2 using the SpiDev python library. I've never even seen any kind of output on MOSI or CS lines with my oscilloscope. Controlling an SH1106 OLED display via the luma....
Tim W.'s user avatar
  • 11
0 votes
1 answer
1k views

Connect touch screen 3.5" LCD and MCP3008 at the same time

Reposting this question asked by someone else a few years ago because it was unanswered and I am facing the same problem. I want to use a touchscreen LCD (3.5" TFT) and a MPC3008 ADC at the same time ...
Umer Farooq's user avatar
-2 votes
2 answers
2k views

SPI driver for communication

I want to load my kernel module which communicates with my device over spi interface. I have tried loading my modules but it's showing spidev is already installed. I see 2 modules named spidev and ...
riteshseemakurty's user avatar
2 votes
1 answer
1k views

raspberry pi with 4x20 lcd and pi4j; display something

Ive connected the lcd to the pi, setup raspbian, and powered the device (3B+) on. The display displays 4 lines, line 1 and 3 are sort of darked out, what seems to be indicating working hardware. I ...
Mathias's user avatar
  • 21
3 votes
1 answer
600 views

High level of noise of SPI pins on RPi Zero W

I have a zero W powered via USB from a laptop. I have setup up for the SPI drivers and run a very simple test program which is: import spidev import time spi = spidev.SpiDev() spi.open(0, 0) ...
Jon Anthony's user avatar
1 vote
0 answers
1k views

How to use SPI touch screen with RPi?

I bought a SPI TFT 2.4" display with a resistive touchscreen from eBay (this one). The screen is ILI9341 and works fine with Python and displays what I want. But how do I make use of the touch ...
MLu's user avatar
  • 151

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