$6.00
The OLED displays are one of the most attractive displays available for a microcontroller. It has a good view angle and pixel density which makes it reliable for displaying small level graphics. Interfacing this IC with MCU can either be done using IIC or using SPI hence helps to save some pins as well.
So if you are looking for a slim, attractive and efficient display module to make your project look cool with graphics then this module might be the right choice for you.
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There are many types of OLED displays available in the market the most popular one is the Monochrome 4-pin SSD1306 0.96” OLED display which we are discussing here. This display can support both IIC communication. When you receive the module from the factory it will be in 4-wire IIC mode by default.
Once you have settled on which protocol to use you should jump into the datasheet to know how to communicate with. The IC supports both 3.3V and 5V logic devices so hardware should not be a problem. If you are planning to interface with Arduino, then all the hard work is already pulled over by the Arduino community by providing you ready-made library. Make sure you have made the connections correctly and used the correct library and you are all set to go.
OLED Pinout
| Pin No: | Pin Name: | Description |
| 1 | Ground (Gnd) | Connected to the ground of the circuit |
| 2 | Supply (Vdd,Vcc,5V) | Can be powered by either 3.3V or 5V |
| 3 | SCK | The display supports both IIC , for which clock is supplied through this pin |
| 4 | SDA | This is the data pin of the both, it can either be used for IIC |
I2C Module has a inbuilt PCF8574 I2C chip that converts I2C serial data to parallel data for the LCD display. These modules are currently supplied with a default I2C address of either 0x27 or 0x3F. To determine which version you have check the black I2C adaptor board on the underside […]
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