Speedometer

Using the serial port for Block Sensors

Jim Scorse has provided a schematic for connecting an NCE block detector to the serial port.

DB9 and DB25 connections

       DB9 pin      DB25 pin
       -------      --------

DCD      1             8
RxD      2             3
TxD      3             2
DTR      4            20
ground   5             7
DSR      6             6
RTS      7             4
CTS      8             5
RI       9            22

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