Happy Hacking Keyboard Features by model Features by model

| Model_Name | Model_ | Color | Switch_Type | Interface | Blank_Keytops | Introduced |
|---|---|---|---|---|---|---|
| Happy Hacking Keyboard | PD-KB02 | White | Membrane | PS/2 , Sun , ADB | No | Dec 20, 1996 |
| Happy Hacking Keyboard | PD-KB02N | White | Membrane | PS/2 , Sun , ADB | No | Dec 20, 1996 |
| Happy Hacking Keyboard Lite | PD-KB100W | White | Membrane | PS/2 | No | Jun 7, 1999 |
| Happy Hacking Keyboard Lite 2 | PD-KB200W/P | White | Membrane | PS/2 | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB200B/P | Black | Membrane | PS/2 | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB200W/U | White | Membrane | USB | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB200B/U | Black | Membrane | USB | No | Mar 15, 2001 |