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Questions tagged [lcd]

LCD is an abbreviation for Liquid Crystal Display.

LCD is an abbreviation for Liquid Crystal Display. Liquid crystal is one of several technologies used in monitors today.

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Connecting Waveshare LCD1602 RGB to Raspberry using C#

I am trying to connect LCD1602 RBG Waveshare to the Raspberry using C#. I connected it to the Raspberry and set the permissions, now trying to pass some data. The code below run all lines, but the LCD is not reacting. If anyone can advise me. using…
Darkk L
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Problems executing code after Keyboardinterrupt

I wrote a super simple thingy for this 20x4 LCD screen and I keep on getting this whenever I Interrupt with crtl + c instead of it executing the code I've placed there. Here's the Error: CTraceback (most recent call last): File "lcd/clock.py",…
Marcel
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How do I properly draw a frame with an ILI9341? Arduino

I have a 2.8 inch TFT LCD from Adafruit driven by an ILI9341. To draw on the LCD, I use the commands 0x2A to set the width, 0x2B to set the height, and 0x2C to color each pixel (I2C). My problem is that I currently draw the background as a…
Rojo
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How to loop the video on mplayer with Raspberry Pi?

I'm currently trying to play a video clip using a Raspberry Pi with 3.5-inch touch display. I know that omxplayer has the function to make it loop, but from some reason omxplayer can't play my video on 3.5inch LCD display. So I have only the option…
m-1127
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My driver for ILI9325 on stm32f103 works in Atollic TrueStudio, but doesn't work in Arduino IDE

I'm trying to connect stm32f103c8t6 board with ILI9325 LCD display. I have created a driver for it in Atollic TrueStudio and run it successfully. Now, I am trying to transfer the driver to the Arduino IDE, because here it will be easier to integrate…
Aliaksei Laurynovich
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Wrong values are displayed on LCD

I'm using Tiva c to drive an LCD but some characters and numbers are wrong displayed, for example, N is displayed as L, 2 and 3 are displayed as 0 but other characters and letters are displayed correctly. Here is the function that displays…
Andy
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Is there a way to query the current brightness level of a the MacBook LCD?

The idea being that, once the brightness passes a certain level, one could switch to a different visual scheme to give greater visibility. Also, if it could be some sort of listener type thing, that would be even better, but I'll take what I can…
Paul Wicks
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Question about reading signal timing diagram

I am trying to create a library to interface a graphical LCD using the ILI9341 driver to a PIC uC. My question is about the following timing diagram from the ILI9341 datasheet (follow the link, since I can't post pictures yet). I am confused about…
picman
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Serial Data Read and parse to variables from continuous string (Arduino)

I have 2 Arduino and 2 xbee. I send 2 sensor data from Arduino 1 (router) to Arduino to (coordinator): On coordinator, I receive wireless data from this 2 sensors(from router) perfectly. The data stream is something like this: 20.1324325452924…
Lazar Vlad
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Raspberry Pi 16x2 LCD Screen Glitches After a Few Seconds

I have a 16x2 LCD Screen that displays the time and date live. The problem is, it starts automatically on boot, but glitches out when it does. What happens when it starts on boot In rc.local, I have added a line that says (sleep 10; python…
henry
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Interfacing 20x4 character LCD with TI TM4C1294 generates some random characters

I have a 20x4 character LCD connected to my TI TM4C1294 kit as follows: Data bus to port A. RS, RW and E pins to port L 0-2 I wrote this code in order to drive it: #include #include #include "inc/tm4c1294ncpdt.h" #include…
3bdalla
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Raspberry Pi and RetroPie distro plus LCD

I downloaded RetroPie for my RaspberryPi 3 from this link and have been trying to get my 3.5" LCD to work. I downloaded the driver from here as described, but whenever I try and extract it with the "tar xzvf LCD_show_v6_1_3.tar.gz", the file for the…
SharkbaitWhohaha
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meaning of setCursor(X,Y) coordinates

This example sketch shows how to use the setCursor() method to reposition the cursor. To move the cursor, just call setCursor() with a row and column position. For example, for a 2x16 display: lcd.setCursor(0, 0); // top left lcd.setCursor(15, 0);…
Reshu Singh
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Incoherent behavior on Arduino/SD card

For my project, I use an µSD card, with the socket included in this LCD screen for logging. A few months ago, it worked fine, I developped that side of the project, but now it just always answer "failed init of SD card". I tried using the SDfat…
abellaiche
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2 digit BCD counter on FPGA

I'm trying to make a 2 digit BCD counter which would count from 0 to 99. The problem I'm facing is that both the 7-segment dispays on the board are changing digits at the same time. The scenairio is like this - 00, 11, 22...99. Here's the main logic…
archity
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