Arduino

Questions tagged [oled]

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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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19 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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23 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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35 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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50 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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72 views

240*320 transparent OLED display with Arduino

A long time ago I ordered this transparent OLED display (from a chinese supplier on alibaba) planning on interfacing it with an Arduino but didn't really have the skills to get the project going. I ...
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33 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 ...
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20 views

Turning SSD1306 back on

I am using the SSD1306 OLED display, using the code from The Robot Can Talk Everything works really well. But I failed to have a working screensaver that turns off the display, and later turns it on ...
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103 views

Arduino program using i2c stops working after printing to OLED a few times

A NOTE ON THE PROJECT AND PROGRAM STRUCTURE I am developing an open source Smart Watch project using Arduino. The code can be found here: https://github.com/shivangsgangadia/SmartWatch The code is ...
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25 views

Finding address of OLED using I2C communication and Arduino

It is known that address of OLED SSD1306 is 3C. The frame format is as follows: The figure implies that the binary pattern should be 01111000 for the first frame (considering write mode and the ...
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107 views

Problem to Setting up i2c OLED wemos D1 mini shiled (64*24)

Hi I used this shield before well. But it didn't work when I wanted to work with him last night! this is my wireing : Now I want to know how to test that it is healthy? Is i2c address missing or ...
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35 views

How does the ssd1306 handle different screen sizes?

I noticed that if I have two SSD1306 displays, the 128x32 display will lose every other row if written in x64 mode, and the 128x64 display will show blank horizontal lines if written in x32 mode. How ...
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49 views

Plotting analogRead on OLED (128*64) - EspWemos D1 mini (Problem to upload this Sketch) [closed]

i want plot real time analog input on OLED . This code for arduino Uno .. i tested on arduino uno and take perfect answer. but i using OLED-Wemos D1 mini Shield board. and i want upload this code on ...
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128 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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65 views

How can I display text on OLED?

I'm trying to print the information, which is received from the other ESP32 by CAN transceiver, on an OLED. The CAN bus is working perfectly, as the 'HELLO WORLD' is already be received. But I can't ...