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No Stock in NZ. This item will be brought into New Zealand - Order before 20th (cutoff). Delivery on 31st/1st.
RS232 DB9 Pinout Diagram
RS-232 Maximum Cable Length
The maximum cable length for RS-232 is 50ft, but in practise depends on baud rate, cable specific capacitance and ambient noise. The table below contains some rules-of-thumb from experiments done by Texas Instruments years ago.
Electric Imp Shield
DFRduino UNO SMD (Arduino Compatible)
DFRobot Mega 2560 V3.0 (Arduino Mega 2560 R3 Compatible)