SparkFun 7-Segment Serial Display - White
2 units available with a short lead time.
A smart 4-digit 7-segment display that combines a classic white LED display with an onboard ATmega328 microcontroller. Instead of wiring up dozens of pins, you control the entire display over Serial TTL, SPI, or I2C — using just a few connections.
The ATmega328 comes pre-loaded with the Arduino bootloader, so you can reprogram the display for stand-alone operation via the onboard FTDI header. The board features side-mounted power and I2C pins for daisy-chaining multiple displays, plus mounting holes for clean installation.
Key Features
- 3 Communication Interfaces – Serial TTL, SPI, or I2C — choose what suits your project
- Individual Segment Control – Full control of every segment, decimal point, apostrophe, and colon
- Adjustable Brightness – Configurable via serial commands, saved to non-volatile memory
- Selectable Baud Rate – Retained in non-volatile memory between power cycles
- Daisy-Chainable – Side-mounted I2C and power pins for linking multiple displays
- Arduino Bootloader – Reprogrammable for custom stand-alone applications
- Mounting Holes – For clean, secure installation on standoffs
- Compact Size – 41 × 23mm (1.6" × 0.9")
Display Capabilities
- Numbers (0–9)
- Most letters of the alphabet
- Special characters
- Decimal points, apostrophe, and colon
Ideal For
- Clocks, timers, and countdowns
- Sensor readouts (temperature, voltage, speed)
- Score displays and dashboards
- Any project needing a simple numeric display
Package Contents
- 1× SparkFun 7-Segment Serial Display (White)
Resources
The SparkFun 7-Segment Serial Display - White appears in the following collections:
