A visual output device typically capable of displaying text and/or graphics. Can include various technologies, such as LCD, OLED, and TFT.
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0answers
21 views
4-Digit-7-Segment Display
I've been trying to figure this out for the last couple of hours but I just couldn't. I'm trying to display to display two distinct digits on my display. When I choose 2 digits and then choose the ...
-3
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0answers
21 views
How to download a “library” [duplicate]
Help!
I am quite new to Arduino Uno and unfortunately I have nobody to talk to about problems etc. I really would like to find, download and see available commands for running a LED display (pair). I ...
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2answers
29 views
Seven segment display multiplexing
I have written a code that displays a number into a seven segment display without manually setting the Arduino pins HIGH/LOW for each number. Now, my problem is how can I display a number larger than ...
1
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2answers
70 views
How to concatenate strings
I am new to the Arduino platform so please bear with me. I have a program to display rolling text on a LED matrix which is for the Tinyduino platform
#include "Charliplexing.h"
#include "Font.h"
#...
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votes
1answer
30 views
Controlling 16 multiplexed led arrays
I'm doing a project where i need to control 16 individual 4.5-character 7-segment led arrays with a single arduino.
Can an arduino uno do this without falling to display the numbers based on POV? Is ...
0
votes
1answer
44 views
Best way to send text to ESP8266 remote display
I need a remote display to show information sent via WiFi from another ESP8266. What needs to be sent is a string along with some variables, for example a string to be displayed along with two ...
0
votes
3answers
49 views
Show images on a monitor using Arduino via Wifi
Consider a computer monitor hanging on a wall. Next to it is an Arduino Uno with a wifi. Is it possible to create something like this? Using wifi it should be possible to send data (images) to Arduino....
1
vote
1answer
29 views
Need to turn on project twice in order for screen to work!
This problem is really stumping me. I made a simple printed circuit board with an ATtiny85, a 128x64 I2C OLED display, and a Sharp IR analog distance sensor. You can view the circuit here: circuits.io....
3
votes
2answers
177 views
Cannot move TM1637 from Uno to Pro Mini
I have a very simple setup which works fine with an Uno.
#include <SevenSegmentTM1637.h>
#include <SevenSegmentExtended.h>
const byte PIN_CLK = 2;
const byte PIN_DIO = 3;
...
-3
votes
1answer
51 views
Where can I get high-quality LCD's for projects [closed]
So I've recently started learning about LCD communication with arduino but I have one question: Devices like PC's and smartphones use very high quality LCD's and if I wanted to use one (not ...
1
vote
2answers
149 views
Need help with 2X3 matrix for braille
I'm an intermediate Arduino progammer, and I'm making an electronic braille display for my friend. You can think of this display as an array of 28x3 LEDs(one braille character contains a maximum of ...
0
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1answer
74 views
7-segment display code
What is the meaning of BitSet = bitRead(numeral[number], segment);?
const byte numeral[10] = {
//ABCDEFG /dp
B11111100, // 0
B01100000, // 1
B11011010, // 2
B11110010, // 3
B01100110, ...
1
vote
2answers
190 views
Controlling a capacitive touch screen that doesn't have I2C/SPI
I have been searching for cheap slim 3" 16:9 capacitive touch screens for a while now. But I couldn't find any that had an I2C or SPI interface. The cheap displays always have these ribbon cables with ...
0
votes
1answer
29 views
How do you change the state of an image on a TFT display when the associated pin changes state?
I just recently resolved my problem on getting images to load on to my TFT display via the SD card. Thanks to UTFT_SdRaw!!! it's by far the easiest to use. For a novice like me, its been a real feat. ...
1
vote
1answer
39 views
Is Sparkfun's MicroView OLED Arduino module a shield?
I'm getting confused by the Arduino terminologies: shield, breakout, module.
Is this MicroView an Arduino compatible shield that will plug into Arduino's or Adafruit's Uno?
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2answers
919 views
Making two points on a tm1637 display blink [ Solved ]
Hello! In my project, using a display controlled by a TM1637, I want to make the two points on the middle of the screen blink (as every clock does).
The following example, provided by the library I'm ...
0
votes
1answer
231 views
Using two digits to display a number using TM1637 and a 4-digit display
I decided to build a digital clock using a 4-Digit Display (TM1637) from Grove.
For that, I have been using the DigitalTube library by Grove for the TM1637 controller.
My idea is to use the two ...
4
votes
2answers
245 views
Driving single-character alphanumeric (16-segment) displays
I would like to drive three sixteen-segment displays (https://www.sparkfun.com/products/retired/9934) using an Arduino Micro. These displays would output an alphabetic character that a user would ...
0
votes
1answer
37 views
Code runs different on USB vs Battery
I have two Arduino, one is to handle the Bluetooth communication and send a signal to the other Arduino, and the other to interpret the signal and display or hide an image on the E-ink display.
It ...
0
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0answers
39 views
Using Adafruit GFX Font with Goldelox Serial Library on 4D System's uOLED-96-G2
It took me awhile to get this work with Arduino, but I am trying to figure out how to make the Goldelox Serial Library which I have working, take a custom font from the Adafruit_GFX library and use it....
1
vote
3answers
46 views
LCD readout is odd
I want it to display the current temperature in the middle of the screen, fade out for two seconds, display new temperature, rinse repeat. This is current (see images)]2
/*
* File: ...
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2answers
100 views
Why doesn't my 7 segment update every second like in the program?
I used sevseg.h library to write numbers to my 4 digit seven segment. The display should update every second with the current time since program started running. This is my code so far:
#include ...
4
votes
2answers
2k views
How to use a common anode 7-segment, 4-digit display?
Please take this question as an example to (my own) answer below.
I've got an 7 segment, 4 digit LED display, but I don't have any idea on how to wire it.
I don't understand the difference between ...
0
votes
1answer
102 views
ILI9163C screen not working properly
I've just tried out my new TFT_ILI9163C display with TFT_ILI9163C library but I'm having an issue with it. The graphics has moved down (the "hello world" should be in the top left) and the leftover ...
0
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3answers
94 views
Serial Monitor not displaying anything
I have a very basic script that is supposed to display something to the serial monitor but no matter what I try the serial monitor won't display anything...I;ve watched about 5 tutorials now and each ...
6
votes
0answers
98 views
RePaper 2.7" eInk Display with Arduino Due
I got a RePaper 2.7' eInk display that unfortunately doesn't supports Arduino Mega because of its limited SRAM capacity (8k bytes). I am porting the library for Arduino Due because its sufficient RAM ...
1
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0answers
33 views
Looking for hardware - 3.5" TFT with capacitive touch
I'm looking for a 3.5" display (480x320) with a capacitive touch attached. Anyone have some experiences? I want to drive the display with 8bit.
If there are existing libraries that would be highly ...
0
votes
1answer
136 views
How to display information from a web API on an LCD (2x16) in real time?
How can I display information from a web API on an LCD (2x16)?
This is an example of the data returned by the API for train times.
The information that I want to display on the LCD is time ...
0
votes
0answers
58 views
How to drive a 4bit GLCD?
i've got a huge (about 6 x 23 cm) graphics LCD. I used my multimeter and the datasheet the LCD driver chips (6 x KS0104 and 2 x KS0103) to get the pinout. It has the following pins: GND, M, FCS (not ...
1
vote
0answers
130 views
Tiny circuit/chip for projecting symbols on a surface [closed]
I am looking for a tiny circuit/chip for projecting moving symbols on a surface. My requirements:
Area of circuit/chip <= 1 cent coin.
1 sq inch <= Area of image projected <= 3 sq inch
...
2
votes
2answers
188 views
Using more than 8 digits using the sevseg library
I am using sevseg and i can't get more than 8 digits to work. I really need 15. Does somebody know what I can do to get this?
Shown is the original example
This is using Gabriel Staples example in ...
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2answers
54 views
Connect Digital monitor to Arduino?
I need a small display with ~ 5 digits.
The display needs to show number of visits to my site in real-time.
(Every time someone visits it needs to increase by one).
I thought to create an app, that ...
2
votes
2answers
7k views
How to display variables on 0.96" OLED with u8glib library?
I have Arduino Uno and 0.96" I2C Oled 4 Pinned display. These are my Arduino codes:
#include "U8glib.h"
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE); // VDD=5V SCL=A5 SDA=A4
int a = 10;
void ...
0
votes
1answer
638 views
Execute Code While Refreshing a 7 Segment LED Display
I'm using the following library to drive a 4 digit, 7 segment LED display:
http://playground.arduino.cc/Main/SevenSegmentLibrary
The display is showing the temperature which it gets from a DS18B20 ...
0
votes
1answer
897 views
4 Digit, 7 Segment Display Wiring (14 pin)
I purchased this 4 digit, 7 segment display from Adafruit:
Product: http://www.adafruit.com/products/865
Data Sheet: http://www.adafruit.com/datasheets/865datasheet.pdf
Everything I have searched ...
2
votes
2answers
57 views
Looking for a game application oriented display for Arduino Mega
I was using displays with serial communication (SPI), but sending bytes to draw a tile-based picture was way too slow so I'd like find one with a parallel port, enough fast bandwidth to receive fast ...
0
votes
1answer
159 views
Are there any ePaper modules that are bigger than 2.7 inches for arduino
I am looking for a large ePaper Display for the Arduino. The issue is is that I cannot seem to find one any larger than 4.5 inches in size. That will be compatible with arduino. Even with a controller ...
1
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0answers
78 views
Display unresponsive in one sketch, while working in another
I'm using a DOGM163 Display. It works in a DEMO sketch provided by the manufacturer but not in my sketch. This is strange, because I am using the same library specific commands as in the example.
I ...
0
votes
1answer
569 views
10k ohm Potentiometer vs 10k ohm Resistor on LCD Display
I'm trying to use a LCD Display with my Arduino, but I don't have a potentiometer and all of the guides I find always require one, usually a 10k ohm potentiometer.
The point is that I'm not very good ...
-1
votes
1answer
66 views
Character updating sketch not working
I've got this sketch to update the character set of my MAX7456. The chip is on a board like this. I use Teraterm as instructed here. The upload completes. But the end result is this:
Every second ...
0
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1answer
339 views
problem with using String()
I'm new to arduino and currently trying to build a small program with multiple screens and buttons and a counter. when I try to convert a int to a chararray it messes up the world. with out it what I ...
0
votes
1answer
632 views
Arduino Pro Mini and GDEW0154T1 ePaper (e ink) display
I just got my Arduino Pro Mini and GDEW0154T1 ePaper display (GDEW0154T1 display) and I'm trying to figure out a way to make them "talk". I started reading documentation and multiple sites but I still ...
0
votes
4answers
5k views
How to wire up 4-digit 7-segment display?
I have an Arduino Mega and the CL5642BH, a 4-digit 7-segment display. I found very helpful code here, but I don't understand how to wire it up on the breadboard.
The display has 12 pins: 6 on the top ...
1
vote
0answers
1k views
Making CS (chip select) work in SPI (for and SD card and OLED)
I'm working on a project that will log data to an SD card and display a user interface on an OLED. The SparkFun OLED breakout was super easy to set up. I was also able to get the SD-Card library ...
1
vote
3answers
73 views
Solutions for displays?
I am trying to find cheap options for displays about 3 x 6 inches to display time, weather, simple clip-art type images, and other marquee messages. What are my best options to work with arduino if ...
0
votes
1answer
149 views
How do I use an Arduino as a USB output device for a 2x16 display?
Can I make a USB 2x16 display using an Arduino?
I want to control a 2x16 character lcd display using USB, not com port/serial.
I need it to appear as a HID device when connected to the computer.
...
0
votes
0answers
63 views
What can cause seven segment display errors?
This is supposed to be a simple counter. The digits move, but none of the numbers are displayed correctly.
Another view of the functioning counter.
I'm using UART to communicate. Here is the set-up:...
1
vote
3answers
187 views
One free pin. Need to display output for the user?
I'm working with lightblue bean. I have a device that writes data to an SD card on a long button press and switches what will be written (from a list of 5 items) on short button press.
The output, ...
0
votes
2answers
175 views
Arduino UNO with CD4510 Counter
I am new in Arduino but I have experience in electronics.
I was wondering how can I make a countdown timer using a CD4510 and an Arduino UNO. I know you would suggest that I should connect my seven ...
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1answer
650 views
LCD-Display showing wrong numbers
Hy guys,
I am having an issue with my new LCD16x2 display. I connected a potentiometer and read the values. The values are properly read and send to Serial. I also display the values on the display. ...
