Adafruit 1.2" 4-Digit 7-Segment Display w/I2C Backpack - Yellow

LED matrix backpacks simplify the wiring of 4-digit 7-segment displays, offering an effortless way to add numeric displays. Using driver chips, they handle multiplexing with a built-in clock and constant-current drivers for consistent brightness via a simple I2C interface.Specifications include 1/16 step display dimming and address-selection jumpers, allowing up to eight displays on a single I2C bus. Embrace versatility with adaptable power settings from 3.3V to 5.0V. This ensures bright LED outputs, powered appropriately even when utilizing 3V logic.The product kit comprises a pre-assembled LED backpack, an ultra-bright yellow 1.2" four-digit display, and a 5-pin header. A minimal soldering effort makes it easy to set up. Comprehensive tutorials and custom libraries enable display control with Arduino or Raspberry Pi in under 30 minutes.