This includes gamepads, joysticks and steering wheel controllers. Input devices that have been classified as game controllers include keyboards, mouses, gamepads, joysticks, etc. LFS features input support for steering wheels, mice, keyboards, joysticks, and gamepads. Celestia's support for gamepads and joysticks is relatively limited. The synthesizer can be played using controllers including keyboards, joysticks, pedals, and ribbon controllers. It can be played using controllers including keyboards, joysticks, pedals, and ribbon controllers. Simple haptic devices are common in the form of game controllers, joysticks, and steering wheels. All PC Engine systems support the same controller peripherals, including pads, joysticks and multitaps. There are programmable joysticks that can emulate keyboard input. The System Changer also has two controller ports compatible with Atari joysticks. Examples of input devices include keyboards, mouse, scanners, digital cameras, joysticks, and microphones. Aftermarket adapters allow the use of Atari compatible joysticks. Controls are designed for touch, rather than adapting buttons or virtual joysticks. Other input devices include webcams, microphones, joysticks, and image scanners. Although compatible with analog joysticks, Atari-style digital joysticks became standard.