KNIFE.BABY / SINGLE-PC SETUP

RP2040 USB Host · Single PC

One PC, one board. Use the Adafruit Feather RP2040 with USB Type A Host.

Step-by-step instructionsOne Windows PC

Use the Adafruit Feather RP2040 with USB Type A Host. Its USB-A host port is built in, so no shield assembly is needed. Knife.Baby and your game run on the same Windows PC.

THE CONNECTION AT A GLANCE1 PC

Your mouse

RP2040 · USB-A host port

Gaming PC · Knife.Baby + game

Have these ready.

Adafruit Feather RP2040 with USB Type A Host
USB-C data cable
Your gaming mouse

Install Knife.Baby

Download Knife.Baby from Downloads, sign in and choose your game. Select Single PC → RP2040. Close your game before flashing firmware.

Enter boot mode and flash

Connect the RP2040 to your PC using a USB-C data cable.
Hold BOOT.
While holding BOOT, press and release RESET.
Release BOOT.
Follow Knife.Baby’s flashing prompts and leave the board connected until the firmware has been written and checked.

Connect and test your mouse

Plug your gaming mouse into the board’s USB-A host port. Move the mouse and check that the cursor responds.

Confirm the connection

In Knife.Baby, wait for the board card to show Connected. Your hardware is ready for configuration.

WHEN SOMETHING NEEDS A SECOND LOOK

Let’s get you connected.

The board is not detected

Repeat the hold BOOT → press and release RESET → release BOOT sequence. Try a different USB-C cable that supports data.

The mouse does not work

Check that the mouse is connected to the board’s USB-A host port. Contact support or Discord with your exact mouse model if it still does not respond.

Let’s get you connected.

The board is not detected

Repeat the hold BOOT → press and release RESET → release BOOT sequence. Try a different USB-C cable that supports data.

The mouse does not work

Check that the mouse is connected to the board’s USB-A host port. Contact support or Discord with your exact mouse model if it still does not respond.