🔐

PW Keyboard RAM ONLY

WebHID Configurator · RP2040

Not connected — click below to pair

▸ Firmware Installation Guide

📦 Download Firmware:
⬇ Download pw_keyboard.uf2 (Click to download the latest firmware)

🔧 How to Flash the Firmware:

Step 1: Enter Bootloader Mode

Unplug the keyboard from USB
Hold the BOOTSEL button on the RP2040 board
While holding BOOTSEL, plug the USB cable back in
Release BOOTSEL after plugging in
The board will appear as a USB drive named RPI-RP2

Step 2: Flash the Firmware

Open the RPI-RP2 drive in your file explorer
Copy the pw_keyboard.uf2 file you downloaded
Drag and drop it onto the RPI-RP2 drive
The board will automatically reboot with the new firmware
The RPI-RP2 drive will disappear

Step 3: Verify Installation

LEDs should flash white ×2 on startup
Then show dim red pulse (locked state)
Return to this page and click Connect Keyboard above

⚠ Important Notes:
• Flashing firmware will erase any stored password (it's RAM-only)
• Make sure your OS keyboard layout is set to UK for correct password typing
• The BOOTSEL button location varies by board - check your board's documentation
• On some boards, you may need to hold BOOT instead of BOOTSEL

✓ Hardware Requirements:
• Waveshare RP2040 3-button keyboard (or compatible)
• GPIO 14, 13, 12 = Buttons 1, 2, 3
• GPIO 18 = WS2812 RGB LED chain (3 LEDs)
• USB data cable (not charge-only)

Password to send to keyboard

0 / 62 characters

Unlock Sequence (8-16 button presses)

Click buttons below to build your sequence (minimum 8, maximum 16):

        1, 3, 2, 1, 2, 3, 1, 3
      

Key layout (after unlock):

Button 1 → Tab Button 2 → Enter Button 3 → Type password

Unlock sequence:
1. Hold any button for 2 seconds (yellow flash)
2. Press: 1, 3, 2, 1, 2, 3, 1, 3 (8 presses)
• Yellow flash = correct key
• Red flash = wrong key (resets)
3. Green/Blue flashes ×3 = unlocked!

Auto-locks after 60 s idle.

⚠ Password lives in RAM only. Unplugging the keyboard erases it instantly.

✓ UK Keyboard Layout: Supports all UK special characters including £, @, ", #, ¬, etc.
Your OS must be set to UK layout for correct typing. UTF-8 multi-byte characters (£, ¬) are fully supported.

LED colours (3x WS2812 on GPIO 18):
🔴 Dim red pulse (all) = Locked
🔴 Red static (all) = Holding button (waiting for 2s)
💛 Yellow flash (all) = Unlock sequence started
💛 Yellow flash (all) = Correct key in sequence
🔴 Red flash (all) = Wrong key (resets to locked)
🟢 Green lights 1→2→3 = Sequence progress
🔵 Blue solid (LED 1 only) = Unlocked, no password
🟢 Green solid (LED 1 only) = Unlocked, password set
⚪ White flash (all) = Typing password now
🔵 Cyan flash (LED 1 or 2) = Tab/Enter pressed
🟠 Orange flash (all) = No password set (Button 3)
🔴 Red blink ×3 = Locking
🟢/🔵 Blink ×3 = Unlocking complete