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First Boot & Verification

After flashing the firmware, the keylogger should be ready to run. This section walks you through verifying that everything is working correctly.

Power On the Device

  1. Connect the RP2040 to your target computer via USB.
  2. The 5V LED should light up.
  3. The device will enumerate as a HID keyboard device.

Verify Device Recognition

Check if the device is recognized:

$ lsusb

You should see an entry for the RP2040.

Bus 001 Device 076: ID 239a:cafe Adafruit Feather RP2040 USB Host

Test Keyboard Functionality

  1. Open a text editor (e.g., nvim).
  2. Type some characters on the Keyboard.
  3. The device should function as a normal keyboard