ChronoCap Connections

Connect a PC to the Shooting Chrony

USB

PC with USB 2.0 port
Southwest Products USB Adapter for Shooting Chrony

RS232

PC with 9 pin serial port
Shooting Chrony RS232 interface
Serial Cable
Null MODEM adapter (depends on the serial cable)
Gender changer (depends on the serial cable)

Connect a Palm Inc. Handheld to the Shooting Chrony

Scenario 1

Palm Handheld
Serial HotSync cable or Cradle (not USB)
9 pin Null MODEM adapter
Shooting Chrony RS232 interface

Scenario 2

Palm Handheld
Serial HotSync cable or Cradle (not USB)
Home built Shooting Chrony to Palm RS232 adapter

Handheld Serial Cable Sources

For Visor Products

Purple Data Cables - http://pcables.com

Mark/Space Datacord - http://www.markspace.com/datacord.html

For many discontinued Palm handhelds,

Mark/Space Datacord - http://www.markspace.com/datacord.html

Shooting Chrony to Palm RS232 Adapter

You can easily build this adapter from parts available at Radio Shack. As with all "homebrew" electronics, there are no guarantees. You're on your own if you fry a serial port or your Chrony.

This adapter does not connect a PC to the Shooting Chrony. The transistors are 2N3904. The diodes are 1N914. The DB9-M connector plugs right into the serial HotSync cable from my cradle. You are stealing some power from the Palm batteries with this setup. You might consider a 6 volt battery (5 volts may work just fine) instead of connecting to pin 6 of the DB9 connector.

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PressureTrace and LoadForce-250 are trademarks of Southwest Products

ChronoCap, ChronoCapPalm and ChronoCapPC are trademarks of Southwest Products

Palm and Palm OS are registered trademarks of Palm Inc.

Chrony is a registered trademark of Shooting Chrony Inc.