Raspberry Pi Pico Boasts Tiny DIY Keyboard | Tom's Hardware
Amazon.com: Mini 6-Key Macro Mechanical Keypad RGB Gaming Keyboard Portable One-Handed Fully Programming Keys for Windows Mac OSU HID Standard Keyboard, Red Switches, RGB Backlight, Hot Swap, USB-Micro Cable : Electronics
Chill KB-1BT Wireless Bluetooth Micro Keyboard (Nordic)