DSerial Edge

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DSerial Edge

DSerial Edge

DSerial Edge is an I/O adapter for the Nintendo DS handheld console. It's not compatible with Nintendo DSi. But there is a workaround: "Currently DSerial EDGE won't boot on a DSi but you can use one of the DSi compatible cards to boot and then swap to DSerial." (source)

For DSerial² information go to DSerial2.

For original DSerial information go to DSerial.


  • Complete Slot-1 solution based on EDGE
  • 18 I/O pins, digital and analog
  • 2 x UARTs
  • 48MHz improved performance with C8051F34A microcontroller
  • Remote debugging via GDB and devkitARM (to be released)

Note: RS232 level converter and accelerometer were removed from older models, since they were under-used on DSerial2.

DSerial Edge Software


Go to downloads

DS Programming

Microcontroller Programming (Advanced)

DSerial Edge Hardware

DSerial Edge Components

DSerial Edge uses ICs that require very few external components.

Symbol Package Description
MCU LQFP-32 Silicon Laboratories C8051F34A USB microcontroller
LED1, LED2 0805 Status LEDs
R3, R4 0603 current-limiting resistors (around 47 Ohm)
C6 0603 0.1uF ceramic capacitor (decoupling cap for MCU)

DSerial Edge provides the following connectors.

Symbol Number of contacts Description
USB 6 Mini USB connector
IO1 12 First IO connector
IO2 12 Second IO connector, contains UART0 and UART1
PROG 4 Programming connector (for initial microcontroller programming)
DS SLOT 17 DS Slot connector


DSerial Edge Schematic


Problem Solution
Message "EDGE.DAT tidak menemukan!" appears Insert a microSD card with EDGE.DAT. If it doesn't help, reseat the microSD card a few times to make sure the contact is good.
DSerial Edge is not detected by NDS or works intermittently Clean the 17 contacts using a toothpick. Make sure that the toothpick is not sharp by cutting off its tip with a knife. There might be some dirt or residue due the manufacturing process. This is a standard maintenance procedure for a slot-based card.