Important NoteThis 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!
LED Charlieplexed Matrix - 9x16 LEDs - Warm White
Details
- Location: Cabinet-1, Bin 23
- Category: LED Displays
- Type: 9x16 Charlieplexed LED Matrix
- Color: Warm White
- LEDs: 144 individually addressable
- Quantity: 3
- Product URL: https://www.adafruit.com/product/3162
Description
9x16 Charlieplexed LED matrix with 144 warm white LEDs designed to work with the Adafruit IS31FL3731 PWM LED Matrix Driver. This is just the LED matrix board - no driver chip or resistors included. Perfect for creating scrolling text displays, animations, or other LED matrix projects.
Specifications
- Part Number: 3162
- LED Count: 144 (9x16 matrix)
- LED Color: Warm White
- Technology: Charlieplexed arrangement
- Dimensions: 43.3mm x 28.1mm x 2.4mm (1.7” x 1.1” x 0.1”)
- Weight: 5.7g (0.2oz)
- Interface: Requires IS31FL3731 driver board
- RoHS Compliant: Yes
Image

Features
- 144 Individual LEDs: Each LED can be controlled independently
- Charlieplexed Design: Efficient pin usage for maximum LED count
- Warm White Color: ~3000K color temperature for pleasant lighting
- Compact Size: Small form factor for embedded projects
- IS31FL3731 Compatible: Designed to work with Adafruit’s PWM driver
- RoHS Compliant: Environmental compliance
Applications
- Scrolling text displays
- LED animations and effects
- Status indicators
- Decorative lighting
- Wearable projects
- Interactive art installations
- Educational LED matrix projects
Interface Requirements
- Driver: Adafruit IS31FL3731 16x9 Charlieplexed PWM LED Matrix Driver
- Communication: I2C via driver board
- Power: 3.3V or 5V (via driver)
- Current: Varies based on number of LEDs lit
Notes
- This is just the LED matrix - driver board sold separately
- Requires IS31FL3731 driver for operation
- Charlieplexed arrangement allows 144 LEDs with minimal pins
- Warm white provides pleasant, eye-friendly illumination
- Can be daisy-chained with multiple matrices
- Arduino and CircuitPython libraries available
Tags
led-display, matrix, charlieplexed, warm-white, adafruit, 9x16