stimuli sensorcontrol program response actuator stimuli sensorcontrol program response actuator 1. Other systems are part of the environment 2. Communicate with other systems a.Mobile robots b.Stationary computers

symbol symbol to signalsignal to symbol symbol wired or wireless

RCX Infrared Transmitter/Receiver, IR Tower

NXT communication

USB 2.0 Point-to-point Serial Master/slave 12 M bit/sec Four wires

Bluetooth 2.0 Radio waves Up to 10 m 3 M bit/sec

Embedded Java The leJOS API classes provide wired and wireless communication: USB Bluetooth USBSend/USBReceive BTSend/BTReceive

PCNXT USB cable streams outDat inDat dIn dOut USBsend USBreceive

1. Establish connection 2. Set up data streams 3. Use data streams

Can also use nxjpcc and nxjpc

1. Establish connection 2. Set up data streams 3. Use data streams

PCNXT radiowaves streams dos dis dos BTsend BTreceive

NXT to NXT wireless

Situated communication

Legway