{"title":"Quad Alphanumeric Display - 0.54 Digits w/ I2C Backpack - Blue","handle":"quad-alphanumeric-display-0-54-digits-w-i2c-backpack-blue","url":"/products/quad-alphanumeric-display-0-54-digits-w-i2c-backpack-blue","description":"A four-digit 0.54-inch blue alphanumeric LED display with an I2C backpack. Each digit has 14 segments, allowing it to display letters, numbers, and basic symbols. The bright blue LEDs on a black surface are readable from up to 7 metres (23 feet) away.\n\nThe I2C backpack simplifies wiring to just two data pins. Multiple backpacks can be daisy-chained on the same I2C bus — solder the address jumpers on the back to set up to 8 unique addresses. A small amount of soldering is required to attach the displays to the backpack (about 5 minutes).\n\nKey Features\n\n\n14-Segment Alphanumeric – Displays full alphabet, numbers, and basic symbols\n\nBright Blue LEDs – Readable up to 7 metres away\n\nI2C Interface – Only two data pins required\n\nStackable – Chain up to 8 backpacks on a shared I2C bus\n\n0.54\" Digit Height – Compact yet legible\n\n\nPackage Contents\n\n2× Blue alphanumeric displays (0.54\" digit height, 2 digits each)\n1× Adafruit 14-segment LED alphanumeric backpack\n1× 5-pin header\n\n\nResources\n\nAssembly and wiring tutorial\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":13231,"title":"Default Title","sku":"AF-1912","price":29.12,"on_sale":false,"in_stock":true,"available_quantity":4,"option1":"Default Title"}]}