Summary

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The RN Bluetooth modules support many different profiles including SPP, DUN, iAP and HID.  HID, or Human Interface Device, refers to the device providing the service of human data input and output to and from the host.

The Bluetooth HID profile enables customers to develop products such as a game controller, keyboard, mouse, or pointing device.  Additionally, Microchip has extended the basic HID capability to allow programmability and control of devices like the iPad, for example.

To demonstrate the capabilities of the HID firmware, Microchip has a reference design called the RN-42-HID-RD1 based on the RN42 Bluetooth module running the HID profile.  This HID reference design offers three modes of operation:

• Presenter mode: Enables the control of presentation software such as Microsoft® Powerpoint
• Music mode: Enables the control of music functions such as pause, play, volume controls and switching tracks on devices such as iPhones® and iPods®
• Custom mode: Enables programming of each button to send a sequence of keys

• RN42 Remote control board with HID (Human Interface Device) firmware