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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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Arduino LCD only showing black boxes on bottom row

Disclaimer: This is homework. I'm taking an Arduino class and for our project we have to implement a simple sketch. The hardware involved is the Arduino Mega ADK board and the Electronic Brick Starter Kit. I have been able to successfully…
Vivin Paliath
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'logic' in view or view controller?

I aam planning to write a lcd numeric / 7 segment display for iphone. (a display that consists of several numbers, each consisting of 7 (dash) segments.) My question is, after mvc pattern, where does the 'number parsing' code belong? View or its…
bijan
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STM32F103C8T6 can not communicate with HD44780

I'm trying to control a HD44780 16X2 LCD(4 bit communication) using a STM32F103C8T6. I connected the LCD this way: RS => PA0 EN => PA2 RW Ground D7 => PB7 D6 => PB6 D5 => PB5 D4 => PB4 The LCD doesn't display anything. Where might the problem be?…
Ilker Aykut
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reproduce moire pattern caused by shooting screen by means of digital image processing

I have read some instructions on a scientific paper about how to reproduce moire patterns caused by shooting screens by means of digital image processing methods. But the statements are rather ambiguous. Besides, since I am not familiar with LCD and…
Taylor Smith
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Anyone have pointers on how to access a touchscreen on Raspberry Pi with Android Things?

This question is broken into two parts: Are there guides on which touchscreens 'work out of the box' with Raspberry Pi3 + Android Things? Its easy enough to stick HDMI screen on get output, but touchscreen is not so clear. I'm reading conflicting…
Bernard
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Set Orientation of ILI 9325 TFT diaplay

I am working on a project which requires to interface TFT display with ILI9325 driver. I have successfully initialized the display but I am not able to rotate the display. Please suggest me the register and value to inserted in that to set the…
Ravi Kumar
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Displaying Raspberry Pi clock on LCD display

I have a Raspberry Pi running an LCD display. I found the Python script below which displays the time on the display, but I notice there's a delay of almost a second between the Pi's time and the LCD. I tried removing the last line of the code…
David
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Breaking a while loop and restarting code

I wanted to know if it is possible to break a while loop and restart the code from a particular position without the use of an external reset button on the MCU reset pin. Below is the while loop I would like to break when the "if" statement is true,…
LoneCoder
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Can't extract an integer from a thermometer byte reading

Afternoon all, Apologies if this question is in the wrong format or in the wrong place, if this is the case, please flag and I'll change it or take it elsewhere. I am using a development board to send a temperature reading to an LCD panel and I am…
James
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Python code for a 16x2 LCD via I2C gives alternate results

I'm trying to use some Python code to write text on a 16x2 LCD display ("compatible" with classics Hitachi HD44780) connected to a RaspberryPi model B+ via an I2C "back-pack". This I2C board has a PCF8574 IC. This is the library (credits to the…
dentex
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Windows 7, notebook backlight turn on and off

I have seen topics about changing notebook's screen brightness, but the thing that actually is needed now is to turn on and off the backlight itself. By it i mean, that if backlight is turned off, then you can see image on-screen of notebook by…
Skydev
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WPF for LCD screen Full HD

I am developing a WPF application that will be displayed in a Full-HD LCD screen (42 inch). In addition, I need to accommodate the controls in absolute positions. In the development environment I can not see a window in length 1920x1080 (this is the…
Ashraf Sayied-Ahmad
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How to get the type of connected monitor(s) on Windows XP?

I need to know the type of the monitor(s) -- i.e. flat screen, CRT, etc -- that is used by the computer from a C++ program. The main requirement is for this code to work on Windows XP SP3 (because otherwise it's almost a given that the system runs…
ahmd0
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Float display on Arduino LCD Shield (Nokia 6100)

The Nokia 6100 LCD Shield for Arduino only has the LCDPutStr command. How do I display floating numbers from my variables?
Kousha Talebian
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Why is the button iset to high even when not pressing the button (Arduino Uno)

I am trying to make a random number generator that when a button is pressed will display a random number on a 16x2 LCD screen, but the button output always equals 1 even when the button is not being pressed. Image of the setup not running: Image of…
drammaone2tree
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