First Flight Version 1.0
Printed: 1/26/2008
Dual Parachute Deployment using Two Batteries
This setup has no clustering or staging. One battery powers the computer and the other powers the
pyro ports.
To Set Up the On-Board Hardware
1.
Install a shunt plug into the safety shunt JP1/3.
2.
Install your SD card in its socket.
3.
Make sure the JP2 jumper is
IN
. The JP2 is located near the fin end of the flight computer,
next to the safety shunt. This picture shows the black jumper connector being installed on
the JP2.
Your flight computer is now enabled up for high pyro current.
To Wire the Pyro Ports
1.
Wire the drogue chute firing device to the
Apogee
terminals (TB1 pins 5/ 6) (Davyfire 28b
firing devices are not polarity sensitive).
2.
Wire the Main chute firing device to the
LowAltitude
terminals (TB1 pins 7/8).
To Wire Up Your Power Connection
1.
Wire a 9 volt battery for the computer to the
CBatt
terminals (TB2 pins 5/6) making sure
your polarity is correct. You should have some method to switch the power to the computer
on and off.
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