These are 9x16 Charlieplexed LEDs designed to match with the Adafruit 16x9 Charlieplexed PWM LED Matrix Driver - IS31FL3731. You don't get any resistors or driver chips with this grid, its just a mess of LEDs in a charlieplexed arrangement
This is the Blue version. Check out our other colors!
- 43.3mm x 27.8mm x 2.4mm / 1.7" x 1.1" x 0.09"
- Weight: 3.8g
- Datasheet, schematic, EagleCAD PCB files, and Fritzing available in the product tutorial