BinKey

quad-alphanumeric-featherwing-red

2 min read

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

Adafruit 0.54” Quad Alphanumeric FeatherWing Display - Red

Details

  • Location: Cabinet-1, Bin 23
  • Category: FeatherWings
  • Type: Quad 14-Segment Alphanumeric Display FeatherWing
  • Color: Red
  • Characters: 4 digits (0.54” height each)
  • Form Factor: Feather-compatible wing
  • Quantity: 5
  • Product URL: https://www.adafruit.com/product/3130

Description

Quad alphanumeric FeatherWing display with four red 0.54” 14-segment LED digits and integrated HT16K33 I2C driver. Designed to work with any Feather board, this wing makes it easy to add a bright, readable 4-character display for letters, numbers, and symbols. Perfect for clocks, status displays, and data readouts.

Specifications

  • Part Number: 3130
  • Display Type: 4x 14-segment alphanumeric LEDs
  • Digit Height: 0.54 inch (13.7mm)
  • Color: Red
  • Driver: HT16K33 I2C LED driver
  • Interface: I2C (address 0x70-0x77, selectable)
  • Form Factor: Feather-compatible wing
  • Voltage: 3.3V - 5V
  • Viewing Distance: Up to 23 feet (7 meters)
  • Common Cathode: LED display configuration

Dimensions

  • FeatherWing Board: 51mm x 23mm x 4.2mm (2.0” x 0.9” x 0.165”)
  • Display Module: 21mm x 25mm x 7mm (0.8” x 1” x 0.3”)
  • Total Weight: ~9.3g (wing + display)

Image

Adafruit 0.54" Quad Alphanumeric FeatherWing Display - Red

Features

  • Feather Compatible: Works with any and all Feather boards
  • I2C Control: Simple 2-wire interface, shares I2C pins
  • High Brightness: Visible from up to 23 feet away
  • Full Alphanumeric: Display A-Z, 0-9, and special characters
  • Address Selection: Jumpers for multiple displays (0x70-0x77)
  • Minimal Pin Usage: Only uses I2C pins, leaves others free
  • Arduino & CircuitPython: Extensive library support

Kit Contents

  • 1x Adafruit 4-Digit 14-Segment Alphanumeric Display FeatherWing
  • 2x 0.54” Ultra-bright dual alphanumeric red displays
  • 2x 16-pin headers

Applications

  • Digital clocks and timers
  • Status displays for Feather projects
  • Data logging readouts
  • Message displays
  • Industrial monitoring
  • Educational projects
  • Maker projects requiring text display
  • Portable device interfaces

Interface

  • Communication: I2C (TWI)
  • Address Range: 0x70-0x77 (configurable via jumpers)
  • Voltage: 3.3V or 5V compatible
  • Pin Usage: Only I2C pins (SDA/SCL)
  • Libraries: Arduino, CircuitPython
  • Multiplexing: Handled by HT16K33 chip

Compatibility

  • All Feather Boards: ESP32, M0, M4, RP2040, etc.
  • Stackable: Can be used with other FeatherWings
  • I2C Sharing: Multiple devices can share the I2C bus
  • Cross-Platform: Works with Arduino IDE and CircuitPython

Notes

  • Requires minimal soldering to attach displays and headers
  • HT16K33 chip handles all LED multiplexing automatically
  • Can display full alphabet, numbers, and many special characters
  • Excellent for projects requiring readable text at distance
  • Leaves most Feather pins available for other uses
  • Multiple wings can be addressed on same I2C bus

Tags

featherwing, led-display, alphanumeric, red, 14-segment, ht16k33, i2c, adafruit

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