{"product_id":"lcd1602-i2c-display-module-blue-green-screen-5v-pcf8574-iic-adapter-llate-for-arduino","title":"Basic Display Module for Arduino","description":"\u003cdiv\u003e\n\u003ch2\u003eBasic Display Module for Arduino — LCD1602 I2C 16x2 Display\u003c\/h2\u003e\n\u003cp\u003eUpgrade your Arduino projects with the LCD1602 I2C Display Module—a compact 16x2 character display that pairs a blue backlit screen with a PCF8574 I2C backpack. This combination delivers crystal-clear text at a glance while dramatically reducing the number of MCU pins you need to spare, freeing precious IO for sensors, relays, and other peripherals. The HD44780-compatible controller ensures broad software support and straightforward menus with minimal fuss.\u003c\/p\u003e \u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/H35bfebccaa3e4fa1b30ae6f21e2a8307r.jpg\" slate-data-type=\"image\"\u003e\n\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4fde090ea40d442396cc8fcf15402485n.jpg\" slate-data-type=\"image\"\u003e\n\u003cimg style='font-family:\"border-right:0px;vertical-align:middle;white-space:normal;word-spacing:0px;border-bottom:0px;text-transform:none;font-weight:400;color:#000000;outline-width:0px;font-style:normal;outline-style:none;border-left:0px;orphans:2;widows:2;margin:0px;letter-spacing:normal;outline-color:invert;background-color:#FFFFFF;text-indent:0px;-webkit-tap-highlight-color:transparent;font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;padding:0px;\" font-size:14px;border-top:0px;max-width:100%;box-sizing:border-box' src=\"https:\/\/ae01.alicdn.com\/kf\/S7a9f1e937e984d5685047355278cf1dbA.jpg\" slate-data-type=\"image\"\u003e \u003ch3\u003eWhy this LCD1602 I2C module stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eI2C two-wire connection\u003c\/strong\u003e via a PCF8574 backpack converts the multi-pin LCD interface into a simple two-wire bus, freeing up Arduino pins for sensors, relays, and other peripherals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHD44780-compatible\u003c\/strong\u003e controller means broad software support and easy integration with common libraries like LiquidCrystal_I2C or similar.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e5V operation\u003c\/strong\u003e keeps it compatible with standard microcontroller ecosystems—no level-shifting headaches on most boards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBlue backlight with high-contrast characters\u003c\/strong\u003e for excellent readability across varied lighting conditions—from bench tests to workshop environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, enclosure-friendly design\u003c\/strong\u003e at 80 mm x 35 mm x 11 mm with a 64.5 mm x 16 mm viewing area fits neatly into tight spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable addressing\u003c\/strong\u003e with typical I2C addresses of 0x27 or 0x3F, depending on the module variant.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you can do with it\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDisplay real-time sensor readings, system status, time, or simple menus with just a few lines of code.\u003c\/li\u003e \u003cli\u003eUse in DIY projects, robotics dashboards, network gear test rigs, or any setup where space is limited and you don’t want to waste precious Arduino I\/O on LCD control.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eGetting started\u003c\/h3\u003e\n\u003cp\u003eWiring is streamlined thanks to the I2C interface—connect VCC to 5V, GND to ground, SDA to the Arduino’s SDA pin and SCL to the SCL pin. On most boards, this is a two-wire I2C bus in addition to power. In your code, initialize the display using a standard I2C LCD library, select the correct address (0x27 or 0x3F), and then start printing with lcd.print(\"Your text\"). If you need a refresher, plenty of community examples demonstrate displaying strings, numbers, and simple menus with minimal code.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDisplay: 16x2 characters\u003c\/li\u003e \u003cli\u003eScreen: blue backlit, high-contrast characters\u003c\/li\u003e \u003cli\u003eController: HD44780-compatible\u003c\/li\u003e \u003cli\u003eInterface: I2C via PCF8574 backpack\u003c\/li\u003e \u003cli\u003eVoltage: 5V DC\u003c\/li\u003e \u003cli\u003eDimensions: 80 mm x 35 mm x 11 mm\u003c\/li\u003e \u003cli\u003eViewing area: 64.5 mm x 16 mm\u003c\/li\u003e \u003cli\u003eCommon addresses: 0x27 or 0x3F\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDisplay a concise readout of your system at a glance and keep your microcontroller I\/O free for the tasks that matter most. This module is a practical, space-saving solution for Arduino makers who want straightforward, reliable LCD feedback without wiring headaches.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Electronics","offers":[{"title":"LCD1602 Green","offer_id":56791662985564,"sku":"14:173#LCD1602 Green","price":4.0,"currency_code":"GBP","in_stock":true},{"title":"IIC Interface","offer_id":56791663018332,"sku":"14:193#IIC Interface","price":1.19,"currency_code":"GBP","in_stock":true},{"title":"IIC LCD1602 Green","offer_id":56791663051100,"sku":"14:175#IIC LCD1602 Green","price":5.0,"currency_code":"GBP","in_stock":true},{"title":"LCD1602 Blue","offer_id":56791663083868,"sku":"14:29#LCD1602 Blue","price":4.0,"currency_code":"GBP","in_stock":true},{"title":"IIC LCD1602 Blue","offer_id":56791663116636,"sku":"14:94#IIC LCD1602 Blue","price":4.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/2042\/0956\/files\/S12a9fa647da842a89230b771c66b789f3.webp?v=1771733900","url":"https:\/\/robotbuilder.co\/products\/lcd1602-i2c-display-module-blue-green-screen-5v-pcf8574-iic-adapter-llate-for-arduino","provider":"Electronics","version":"1.0","type":"link"}