{"product_id":"0-42-inch-white-oled-display-module-72x40-i2c-spi-ssd1306-arduino","title":"0.42\" White OLED Display 72x40 I2C SPI SSD1306 for Arduino","description":"\n\u003ch2\u003e0.42 Inch White OLED Display Module – 72×40 Resolution, I2C\/SPI Interface\u003c\/h2\u003e\n\u003cp\u003eUpgrade your Arduino or microcontroller project with this compact \u003cstrong\u003e0.42-inch White OLED Display Module\u003c\/strong\u003e. Featuring a crisp 72×40 pixel resolution and driven by the reliable \u003cstrong\u003eSSD1306 controller\u003c\/strong\u003e, this tiny screen delivers sharp, high-contrast white-on-black visuals — perfect for wearables, sensor readouts, smart gadgets, and DIY electronics builds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e OLED – self-illuminating pixels, no backlight needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScreen Size:\u003c\/strong\u003e 0.42 inches diagonal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 72×40 pixels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDriver IC:\u003c\/strong\u003e SSD1306\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I2C (IIC) and SPI – dual-mode flexibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White display on black background\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Arduino, Raspberry Pi, ESP8266, ESP32, STM32, and other common microcontroller platforms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Supports custom code and display libraries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Ideal for battery-powered projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This OLED Module?\u003c\/h3\u003e\n\u003cp\u003eThe SSD1306-based OLED display is one of the most widely used screen modules in the maker community. Its ultra-compact 0.42-inch form factor makes it a go-to choice when space is at a premium — wearable tech, mini dashboards, handheld instruments, and embedded systems all benefit from its small footprint and vivid output. The dual I2C\/SPI interface ensures broad compatibility across virtually all popular development boards.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ebaishundianzi\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.42 Inch OLED Display LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e72×40\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDriver IC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSSD1306\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI2C \/ SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible With\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino Uno, Nano, Mega, Pro Mini\u003c\/li\u003e\n  \u003cli\u003eESP8266 \/ ESP32\u003c\/li\u003e\n  \u003cli\u003eRaspberry Pi (via I2C\/SPI)\u003c\/li\u003e\n  \u003cli\u003eSTM32 and other ARM-based boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eCheck out these other great items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this 0.42-inch OLED display module compatible with Arduino IDE libraries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The SSD1306 OLED display module is fully supported by popular Arduino libraries such as Adafruit SSD1306 and U8g2. Simply install the library through the Arduino IDE Library Manager, wire up the I2C or SPI pins, and you're ready to display text and graphics in minutes.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the I2C and SPI interfaces on this module?\u003c\/h4\u003e\n\u003cp\u003eA: I2C (IIC) uses only 2 data lines (SDA and SCL) making wiring simpler and conserving GPIO pins, which is ideal when connecting multiple devices. SPI uses more pins but offers faster data transfer speeds — great for projects requiring rapid display updates. This module supports both, giving you flexibility based on your project needs.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this OLED module be used in battery-powered or portable projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. OLED displays consume very low power compared to traditional LCD screens because only the lit pixels draw current. This makes the 0.42-inch SSD1306 module an excellent choice for battery-powered wearables, portable meters, and handheld DIY electronics.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this 0.42-inch OLED display module compatible with Arduino IDE libraries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The SSD1306 OLED display module is fully supported by popular Arduino libraries such as Adafruit SSD1306 and U8g2. 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This makes the 0.42-inch SSD1306 module an excellent choice for battery-powered wearables, portable meters, and handheld DIY electronics.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"0.42\\\" White OLED Display 72x40 I2C SPI SSD1306 for Arduino\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/0-42-inch-white-oled-display-module-72x40-i2c-spi-ssd1306-arduino\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"1PCS","offer_id":44167845609559,"sku":"14:201684806#1PCS","price":22.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sb899ae6dca23487483ab7abd872ab354k.webp?v=1786764215","url":"https:\/\/axlcustomersupport.com\/products\/0-42-inch-white-oled-display-module-72x40-i2c-spi-ssd1306-arduino","provider":"Axl","version":"1.0","type":"link"}