Questions tagged [oled]

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13 questions with no upvoted or accepted answers
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Sending a JPEG from one Arduino to another

I've got an Arducam OV2640 which takes a picture as a JPEG that I'd like to send to another Arduino using a pair of nRF24L01 wireless transceivers to eventually display it on an SSD1351 OLED. ...
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1answer
29 views

Adafruit OLED 7 Pin Display - Abbreviations

I can't remember for the life of me how exactly I set up this screen in previous models, partially because the references I'm using in my code have different names from the pins on the Adafruit ...
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33 views

OLED 128x64 make text bigger

I have a sketch that prints out a value from 0 to 100. I want it to take up the whole screen. I can't figure out how to make the font bigger I think that the part of the code defines the size of the ...
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0answers
31 views

How does an OLED screen module control the pixels?

I'm not asking that how does an Arduino send the data to the OLED screen, but how does the module control the actual screen that displays the image ? I couldn't find any IC on the module, just a few ...
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0answers
122 views

Random artifacts on SSD1306 OLED screen

I'm having a really strange problem with my screen. It's connected in i2c to my Arduino Nano and I'm using a rotary encoder to navigate through a menu. At startup everything is fine, but when I change ...
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0answers
63 views

Problem with using SD and Adafruit_SSD1306 libraries at the same time

I am searched over the internet and found out a few similar questions, but non of them were helpfull, so I decided to open a new quetion. I tried both SD and Adafruit_SSD1306 libraries and they both ...
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0answers
117 views

Problem with Adafruit_SSD1306 library in .h fie

I have a project which includes OLED display, so I decided to use Adafruit_SSD1306 library. But I have problem with compiling code, which uses this library, in another .h file. When I use this library ...
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0answers
136 views

Looping a defined function to show live variables printed on OLED screen

I have started a thread on the Arduino forum. If someone could have a look at the thread and give me some help either here or there that would be great. (I don't want to have to add all the ...
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0answers
317 views

I2C and SPI using sensor and Oled display

Im currently working on a project which displays vital signs such as pulse and oxygen on my display. Now, my sensor is connected through I2C while my OLED runs through SPI. Im trying to display the ...
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33 views

7 -pin OLED not working with SSD1306.h, GFX.h, U8glib.h using in SPI

I have tried running the example code provided to get the OLED to work but to no avail. I have two OLED displays with me. They are not connected serially. I am using SPI interface. These are the ...
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0answers
210 views

OLED display on I2C causes esp8266 to reset

I have connected two temp sensors and an OLED display to a NodeMCU using I2C. When the program reaches the instruction to print the measurements on the display the program crashes and NodeMCU resets ...
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0answers
95 views

Different Counter Reading on Serial Monitor Vs .96" OLED I2C

I've cobbled some code together from reading multiple sources on the web. Makeatronics in particular to help me get this rotary encoder code together (shout out to them). I'm pretty close to the end,...
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0answers
66 views

Failed to display string on oled (SPI) from SD module

i am working on a project in which data from sd card is displayed on the oled screen both using SPI communication, but it is not displaying anything. i commented out the sd part and then oled works ...