Remote control demo board

2 May 2012 Design Automation

Microchip has developed a new remote control demo board which integrates graphics, touch sensing, USB and wireless communications (ZigBee RF4CE).

The board demonstrates a remote control populated with a PIC24FJ256DA210 Microcontroller, 3,5” graphical TFT LCD display with resistive touch screen, capacitive touch keys with plastic overlay, MRF24J40 2,4 GHz transceiver and ZENA wireless adapter.

Many consumer products now feature colourful graphical displays and touch capability. Meanwhile, RF-based remote controls are becoming more prevalent, as they provide bidirectional communication and work through walls (no line-of-sight is required for communication).

Microchip’s remote control demo is in the form factor of a wireless remote control, but it can also be used as a reference design to build any type of application that requires a graphical display, touch sensing, USB and/or wireless capability. The demo is supported by free source code that customers can use to customise for various graphical screens or touch-button scenarios.

The MRF24J40 transceiver can be used with the 2,4 GHz RF4CE, ZigBee or MiWi protocols, depending upon the wireless needs of the end application. The demo showcases how a vivid colour display application can use a low-cost PIC24 MCU with integrated graphics driver, utilising only the on-chip RAM to eliminate the cost of external memory.

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