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William Mackey
2025-09-04 13:09:52
An exact replacement for one that was DOA in a meter that I received.
William Parish
2025-07-13 12:11:24
This will work nicely if I stack my pi's in a cluster, since the height is about what I'd have between pi's anyway.Took a bit of fiddling to get the adafruit library to install, and as you can see in the image some extra control characters display from the example, but when I use it I'll make sure the text is more relevant to what I want.I had to turn down the contract on the picture because it's a bright little thing, and was washing out the picture otherwise.I didn't mind not having the headers installed. While headers are nice at this breadboard stage, the other three I may solder wires to, and just have them end in plugs I can attach to the i2c bus. I think it makes sense for a bulk seller like this to omit the headers.Finding the address was trivial, but I couldn't find the manual referenced in the description. Turned out a few minutes on google got me the right instructions for a Pi though. That's the great thing about the pi is the community support.I'd be happy to buy them again if I found a need for more than 5 (cluster expansion maybe?).
Johnnie
2025-06-24 16:44:27
After some experimenting I came up with the following to use this with the Seeeduino XIAO in PlatformIO.Display GND --> XIAO GNDDisplay VCC --> XIAO 3V3 (not 5V!)Display SDA --> XIAO SDADisplay SCL --> XIAO SCLlibrary used:lib_deps = olikraus/U8g2@^2.28.8example main.cpp with some comments added:#include #include U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(/* reset=*/ U8X8_PIN_NONE);void setup(void) { u8x8.begin(); u8x8.setFlipMode(1); // set number from 1 to 3, the screen word will rotary 180}void loop(void) { u8x8.setFont(u8x8_font_chroma48medium8_r); u8x8.setCursor(0, 0); // char row, col - not pixel u8x8.println("==============="); // if string too long it wraps and flickers u8x8.println(" Hello,"); // println() advances to next row u8x8.println(" World!"); u8x8.println( "==============="); u8x8.println( "test test test="); // }Since all I am looking for in this display is a simple character output this library will work fine for me. I tried the Adafruit and the SeeedStudio OLED libraries and I assume I never got the device type correct for a few frustrating hours of trial and error and error.I was also able to get the graphics library to work on this using the following constructor:#include U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, U8X8_PIN_NONE);
Nezzerath
2025-06-04 18:59:54
These oled screens are perfect for applications were you only need to see one line of information.The downside is that the I2C is not configurable so you will need an I2C bus.The display area is very small but I can read them from a decent distance away because of how clear the pixels are.
Garcia family
2025-04-28 13:40:04
I got exactly what I was expecting 5 very small i2c oled displays and 5 (4 pin breadboard pins). Very pleased with the product, bright, easy to work with and exactly what I needed! All those who complained about receiving tiny displays obviously didn't read the description. These are great for the new Raspberry Pi Pico! I haven't received mine yet so I'll have to play around with my Raspberry Pi 4 for now.
Thomas Couey
2025-04-12 18:41:22
These things are quite nice, especially for the price. As you can see in the pictures, I created a snap-on bezel for mine to make for a cleaner prototyping experience (file available at thingiverse, search for thing 4768895). The AdaFruit SSD1306 Arduino driver works great for these modules. You can also control with any I2C device, if you read the datasheet for the SSD1306, available on the internet. Make sure the copy down the specs from the description (or print) and keep with the parts for future reference. You can power and control this from 3V3 or 5V due to the integrated regulator... quite nice.
John
2025-03-23 18:13:38
I attach them to a mkr 1010 shield between the headers and use the adafruit oled library. Photo of a well monitor attached. This has, wifi, a real time clock, a watch dog timer, an oled display and a SD card under the side of the display. It is also connected to a Blynk mobile app for monitoring and control.The oleds begin to dim after 6 months or so of use. Best practice is not to have them on all of the time. I plan on adding a small motion sensor that turns the display on or off..
Daniel N.
2025-03-04 16:02:05
Is a copy of an Adafruit display and the Adafuit libs for Arduino work with this device. Just note, this is a very very tiny display. For reference the pins are 2.54mm pitch. Can't beat the price for what you get. Just note that I2C is slower than SPI, or high speed parallel so the refresh rate is low, but it's still pretty quick.
PAT 13530
2025-02-23 13:16:24
fait son taf, eclairage ok.
Dan G
2025-02-05 11:57:56
Perfect, and some time later all still good.
Cliente
2025-02-01 11:22:07
Il display viene spedito con una scatola contenitiva con spugne per non danneggiare i componenti.Lcd molto nitido e di facile programmazione.Unica pecca sono molto fragili soprattutto negli angoli lcd
Inês Diogo
2024-12-23 15:56:20
Os displays chegaram partidos e inutilizados
Graham R
2024-11-26 12:19:43
This is a 128 x 32 pixel oled display. Each pixel lights up, no need for a back light. Some soldering will be needed as it has no header strip. I soldered a 4-pin header to mine to allow it to plug into a bread-board. I started using it on an Arduino copy interfacing to it in C++. It worked fine but the Arduino has no real-time clock which was my chosen project. So I moved it onto an old Raspberry Pi (see image). That also works fine but I had to learn Python!
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