128x32 OLED I2C display only shows "snow"
Moderators: adafruit_support_bill, adafruit
Please be positive and constructive with your questions and comments.
- ted0h
- Posts: 6
- Joined: Sun Apr 21, 2013 1:35 pm
128x32 OLED I2C display only shows "snow"
I’m having some trouble getting my 128x32 OLED display to work (I2C interface). I believe I have all the wires properly connected to an Uno (actually Ruggeduino): RST to digital 4, SDA to A4, SCL to A5, Vin to 5V, Gnd to Gnd. I’ve tried the sample sketch, but all I get is “snow” on the screen. I changed the ssd1306.h file to have the proper display. I even tried using different jumper wires. I put some Serial.println in the program to see where it’s failing; it looks like it will execute display.begin, but never runs the display.display() command. Any suggestions for troubleshooting? Thanks.
- Franklin97355
- Posts: 23912
- Joined: Mon Apr 21, 2008 2:33 pm
Re: 128x32 OLED I2C display only shows "snow"
Could you post clear pictures of both sides of your board showing any soldering you have done and the connections to it? Thanks.
- ted0h
- Posts: 6
- Joined: Sun Apr 21, 2013 1:35 pm
Re: 128x32 OLED I2C display only shows "snow"
Okay, here are the photos. Let me know if you need more info or better closeups. Thanks for your help.
- Franklin97355
- Posts: 23912
- Joined: Mon Apr 21, 2008 2:33 pm
Re: 128x32 OLED I2C display only shows "snow"
I don't see any problems with the soldering and you say you are running the sample code so please email [email protected] with a link to this thread for a replacement
- pfarkas
- Posts: 3
- Joined: Thu May 12, 2016 2:01 pm
Re: 128x32 OLED I2C display only shows "snow"
Did this issue get resolved?
I'm seeing the same snow on my 128x64 OLED display on a Ruggeduino board where I'm trying to use A4 / A5. However, on my Arduino UNO board using the SDA / SCL pins it works fine.
What do I need to tweak?
Thanks in advance!
Pete
I'm seeing the same snow on my 128x64 OLED display on a Ruggeduino board where I'm trying to use A4 / A5. However, on my Arduino UNO board using the SDA / SCL pins it works fine.
What do I need to tweak?
Thanks in advance!
Pete
Please be positive and constructive with your questions and comments.