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The Science of Disney Imagineering Animal Adaptations: Communication [Interactive DVD]

Walt Disney Imagineers do more than create wild rides. They also study wild animals to create environments, activities, and educational programs at Disney’s Animal Kingdom that are tailored to the species’ physical and behavioral adaptations. How do naked mole rats identify family members, and why is the toilet chamber so important? How do dolphins identify each other in murky water? How do meerkats communicate it’s safe to come out and forage for food? They all rely on communication adaptations

List Price: $ 29.99

Price: $ 18.00

RS485 to RS232 Communication Data Converter Adapter

• Work environment:0 to 7O degree centigrade (485-C) , relative humidity: 5 percent to 95 percent.
• Signals: RS-232: DCD(1), RXD(2),TXD(3),DTR(4), 5GND(5), DSR(6), RTS(7), CTS(8),RI(9).
• DB9 Male connector: D-/B(1), D+/A(2), —(3), —(4), GND(5), + 5v~ + 12v(6), —(7), —(8), —(9)
• RS-485 terminal board: D+/A(1), D-/B(2), GND(3), + 5v~ + 12v(4).Transmission distance: RS485 max. 1200m, RS232 side max. 5m.
• Weight: 72g ; Package Content: 1 X RS232 to RS485 Communication Converter with a terminal board.

A RS232 to RS485 Communication Converter Adapter.RS232 Communication Converter is widely used in industrial automation, door safe, all-in-one-card, car parking, ATM, bus charge, eatery sell out, staff attendance management, and highway toll gate, etc.Compatible with EIA/TIA RS-232C & RS485 standard.Interface RS232 side: DB9 female connector.Interface RS485 side: DB9 male connector with terminal board.Working mode: asynchronous, half-duplex, differential transmission.Transmission media: double wi

List Price: $ 8.17

Price: $ 8.17