{"title":"3-wire Serial LCD Module (Arduino Compatible)","handle":"3-wire-serial-lcd-module-arduino-compatible","url":"/products/3-wire-serial-lcd-module-arduino-compatible","description":"A 128 × 64 pixel graphic LCD module based on the ST7920 controller, featuring a blue backlight with white characters. Supports both parallel (8/4-bit) and SPI (3-wire serial) interfaces, with parallel mode set as the default. To switch to SPI mode, move the R9 resistor to the R10 position.\n\nThe display supports English characters, Chinese characters, and custom graphics, making it versatile for a range of Arduino and microcontroller projects. Includes a contrast adjustment and backlight control.\n\nKey Features\n\n\n128 × 64 Resolution – Graphic LCD with text and image support\n\nST7920 Controller – Well-supported with available Arduino libraries\n\nDual Interface – 8/4-bit parallel (default) or 3-wire SPI serial\n\nBlue Backlight – White characters on blue background\n\n170° Viewing Angle – Wide visibility\nSTN Display Technology\n\n\nSpecifications\n\n\nPower Supply: 4.5–5.5 V\n\nController: ST7920\n\nResolution: 128 × 64 pixels\n\nDisplay Type: STN, blue with white characters\n\nViewing Angle: 170°\n\nInterface: 8/4-bit parallel (default) or 3-bit SPI serial\n\nModule Size: 93 × 70 × 22 mm\n\nVisible Area: 73 × 39 mm\n\n\nIdeal For\n\nArduino and microcontroller display projects\nMenu systems and data readouts\nCustom graphics and character displays\n\n\nPackage Contents\n\n1× 3-Wire Serial LCD Module (128 × 64)\n\n\nResources\n\nDFRobot Wiki\nSchematic (PDF)\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":9380,"title":"Default Title","sku":"DF-DFR0091","price":34.14,"on_sale":false,"in_stock":true,"available_quantity":21,"option1":"Default Title"}]}