{"id":86790,"date":"2024-08-29T08:00:30","date_gmt":"2024-08-29T06:00:30","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/arduino-oled-what-is-it-and-what-is-it-used-for\/"},"modified":"2026-04-08T10:52:00","modified_gmt":"2026-04-08T08:52:00","slug":"arduino-oled-what-is-it-and-what-is-it-used-for","status":"publish","type":"post","link":"https:\/\/botland.store\/blog\/arduino-oled-what-is-it-and-what-is-it-used-for\/","title":{"rendered":"Arduino OLED – what is it and what is it used for?"},"content":{"rendered":"Reading time:<\/span> 4<\/span> min.<\/span><\/span>\t\t
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The years have flown by, and Arduino modules and ideas implemented by its community have been surprising us continuously since 2005.
\nToday, some ideas on how to use the duo in the form of the world’s favorite programming platform and OLED display technology. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Where did OLED come from?\nIs it worth it? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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History of technology<\/strong> OLED<\/strong><\/a> dating back without the slightest exaggeration to at least the 1980s.
\nThe history of OLED technology dating back, without the least exaggeration, to the 1980s, when scientists and researchers from under the banner of the giant Kodak initiated research into the use of organic materials for light emission, we will rather skip.
\nOriginally, OLED<\/strong> was used in small displays<\/strong>, such as low-resolution screens, but over time the technology evolved and found its way into larger, advanced devices<\/strong>.
\nHowever, it turns out that there is no problem going back to its roots and using it precisely in these small devices and modules related to the platform Arduino<\/strong><\/a>. <\/p>\n

OLED<\/strong><\/a> offers excellent contrast, a wide range of colors and deep blacks<\/strong>, which are lacking, for example, in display alternatives such as TFT<\/strong><\/a>and this translates into excellent image quality.
\nOLED is created on flexible substrates, allowing for thin, flexible and curved screens<\/strong> ideal for mobile devices and any new wave wearables.
\nThe fast response time<\/strong> is also not insignificant, resulting in smooth and responsive display of content.
\nThis is important for interactive user interfaces.
\nIt also stands out for its energy efficiency<\/strong> relative to traditional display technologies.
\nThere is no need for backlighting, i.e. additional juggling of modules, because OLED emits light on its own.
\nThe increasing use of OLEDs in modern electronic devices thus seems to have a solid foundation. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Connecting OLED to Arduino<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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OLED displays<\/strong><\/a> usually connect to the Arduino<\/strong><\/a> via an<\/strong> I2C<\/strong> (Inter-Integrated Circuit) interface<\/strong>.
\nThis is a popular way of communication especially when it comes to controlling displays from microcontrollers<\/strong><\/a>. OLED displays<\/strong><\/a> usually have a built-in controller that supports communication via the I2C interface<\/strong>, and this facilitates integration not only with Arduino, but also with various microcontroller platforms. <\/p>\n

This makes it easy to display text, images and other information on the OLED display using Arduino and libraries to support the I2C interface.
\nFor example, available from Botland<\/strong> <\/a>OLED displays<\/strong><\/a> Sparkfun Electronics<\/strong><\/a> have Qwiic connectors<\/strong> developed by the manufacturer itself.
\nOLEDs with QWIIC connectors can be easily connected via a simple cable to Arduino microcontrollers or other devices that support the I2C interface. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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OLED blue graphic display 0.96'' 128x64px I2C - blue.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The QWIIC<\/strong> itself is also an interesting one for electronic system designers in general, as the 4-pin connector prevents miswiring – there is no problem in matters of where to connect SDA and SCL just as the GND and VCC wires will not be confused either.
\nThis is a convenient solution that eliminates the need to solder or use additional wires, which in turn facilitates prototyping and quick connection of electronic devices when most QWIIC<\/strong> modules have a second connector to connect more boards. <\/p>\n

It is less common to encounter the SPI interface<\/strong>, and far less common to encounter the UART<\/strong>.
\nAnd while OLED displays rarely use this interface, there are supporting models, so it is possible to connect them to the Arduino via the serial port.
\nIt is also possible to directly connect an OLED display to the Arduino’s digital pins, with operation being done directly by controlling the microcontroller’s pins. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Projects with Arduino and OLED<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The listed projects are just the tip of the iceberg, which can be seen on community forums and instructional sites.
\nHowever, it is worthwhile to search among these countless ideas.
\nThe possibilities for using OLED displays with Arduino are endless.
\nThe pool grows when you decide to combine them with sensors, communication modules and other devices to create innovative and interesting applications. <\/p>\n