Questions tagged [oled]

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12 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
36 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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0answers
41 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
179 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
260 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
82 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
131 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
180 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
351 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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1answer
81 views

Code hangs with SPI, and OLED labraries (Possible conflict between Adafruit SSD1306 and hardware SPI libraries)

I have an issue with using two libraries together, namely SPI.h that is installed together with an Arduino and Adafruit_SSD1306.h. My code was getting stuck so I stripped it down to the bare minimum ...
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2answers
287 views

How to properly put a u8g2 handle in a class

I'm trying to create a small battery powered alarm clock using an Arduino MKRZero and a generic SH1106-controlled, 128x64 pixel oled. I started out just dumping all code into a single file named Clock....
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105 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,...