If you’ve been diggin’ our monochrome OLEDs but need something bigger, this display will delight you! These displays are 2.42″ diagonal, and very readable due to the high contrast of an OLED display. This display is made of 128×64 individual white OLED pixels, each one turned on or off by the controller chip. Because the display makes its own light, no backlight is required. This reduces the power required to run the OLED and is why the display has such high contrast; we really like this graphic display for its crispness!
The driver chip, SSD1305 can communicate in three ways: 8-bit, I2C or SPI. Personally we think SPI is the way to go, only 4 or 5 wires are required and its very fast. The OLED itself requires a 3.3V power supply and 3.3V logic levels for communication. We include a breadboard-friendly level shifter that can convert 3V or 5V down to 3V, so it can be used with 5V-logic devices like Arduino.
The power requirements depend a little on how much of the display is lit but on average the display uses about 50mA from the 3.3V supply. Built into the OLED driver is a simple switch-cap charge pump that turns 3.3V into a high voltage drive for the OLEDs.
Each order comes with one assembled OLED module with a nice bezel and 4 mounting holes. The display is 3V logic & power so we include a HC4050 level shifter. We also toss in a 220uF capacitor, as we noticed an Arduino may need a little more capacitance on the 3.3V power supply for this big display! This display does not come with header attached but we do toss in a stick of header you can solder on. Also, the display may come in SPI mode. You can change modes from 8-bit to SPI or I2C with a little soldering, check out the tutorial for how to do so. Please Note: Metro not included! A microcontroller such an Arduino is required to use.
Getting started is easy! Adafruit has a detailed tutorial and example code in the form of an Arduino library for text and graphics. You’ll need a microcontroller with more than 512 bytes of RAM since the display must be buffered. The library can print text, bitmaps, pixels, rectangles, circles and lines. It uses 512 bytes of RAM since it needs to buffer the entire display but its very fast! The code is simple to adapt to any other microcontroller.
Note: Cable and code on back of board may vary but displays will work the same.
Please note that OLED displays are made of hundreds of…OLEDs! That means each pixel is a little organic LED, and if its kept on for over 1000 hours it’ll start to dim. If you want to keep the display uniformly bright, please turn off the display (set the pixels off) when it isn’t needed to keep them from dimming.
Technical Details
- Datasheet for SSD1305 the passive OLED driver chip in the module this is the chip in the module that converts SPI/8-bit commands to OLED control signals
- Screen Dimensions: 1.14″ x 2.2″ x .26″ / 29mm x 56mm x 6.8mm
- Screen Weight: 22g
- Driving voltage: 3.3V
- Interfaces: 8 parallel port, 4-wire SPI, I2C
- Diagram for 2.42″ OLED submodule
- Datasheet for the 2.42″ OLED display
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It is important to note that orders with multiple items are subject to a processing period that is based to the particular item.
Prior to shipping, our team will perform an extensive inspection of the products you have ordered. Most orders today are shipped in 48 hours. The expected delivery time will be between 3 and 7 days.
Returns
Due to the multiple parties involved such as the factory and the warehouse, we cannot completely manage our stock. The actual levels of stock can change at any moment. It's possible that you may not receive your order once the order has been made.
Our policy is for 30 days. If 30 days have gone without a trace since the purchase however, we're unable to give you a return or exchange.
You are able to return a product in the event that it is not used and still in the same state as when you first received it. The item must be returned in its original packaging.
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