RCX 2.0

The RCX 2.0 Brick is shown in the figure below.

The RCX can be seen as the 'brain' of the robots. It is used to store firmware and user programs. Using a Infra Red tower, a program can be uploaded from a windows or mac pc on to the RCX. The RCX can operate three motors, sample three sensors and contains an infrared communications interface. Internally, the RCX consists of a Hitachi H8 microcontroller with 32K of RAM, running at 16MHz. There are 512 bytes of RAM onboard, 3 timers, and 43 general purpose I/O pins. Eight 8-bit analogue-to-digital converters are available to read values from analogue sensors.(1)

References

(1) RCX Internals

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