MCU Bricker 3DS
MCU Bricker is a simple program that makes the 3DS's notification LED flash every possible color (Note this doesn't really brick your 3DS's MCU).
3DS Homebrew: MCU Bricker (NintendoBrew)
Not advised to be used on 3DS with Firmware 8.1 or below.
- Official website - https://dionicio3.com/Archive/MCU_Bricker
- GitHub - https://github.com/MechanicalDragon0687/MCU_Bricker_tinydb