LEGO MINDSTORMS for Schools includes an RCX - a programmable LEGO brick. The RCX is a microcomputer with three output ports A, B and C for connecting motors and lamps, and three input ports 1, 2 and 3 for connecting sensors.
ROBOLAB programs are downloaded to the RCX via an Infrared (IR) Tower. The IR tower is available with a serial connection (COM port) or a USB connection (for 2.5 or higher versions only). ![]()
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