samuel-villegas/hart-ignition-box

The Launch Box ignites the booster when launch signal received from Control Box.

OSU HART Launch Ignition Box

Ignition box for the OSU HART Launch System
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Table of Contents

• About the Project
  • Built with
• Getting Started
  • Parts List
  • Assembling the Ignition Box
• Using the Ignition Box
• Roadmap

• Contributing
• License
• Contacts
• Support the Project

About the Project

The ignition box is the part of the launch system that is left on the launch pad, attached to the rocket booster igniter leads. It is able to apply 12 volts and 8 amps to the igniter leads, allowing it to reliably activate the igniters.

Built with

• Teensy
• XBee

Getting Started

Parts List

• Electrical wire
• Compact 12v battery
• Teensy 4.0
• Buck boost converter
• Toggle switch with a safety cover
• Dual-position selector switch
• Loud flashing warning siren
• Yellow indicator LED
• Red indicator LED
• Xbee Pro S3B
• 3D-printed enclosure
  • Enclosure
  • Lid

Assembling the Ignition Box

1. Print the enclosure
2. Wire electronic components together according to the wiring diagram
3. Put the electronics in the enclosure
4. Press fit the lid into the enclosure

Using the Ignition Box

1. Attach the igniter leads to the output wires of the ignition box

2. Uncover the toggle switch and flip it to the on position to power up the ignition box

   

3. Turn the black arming switch to the upward position in order to arm the ignition box

   

4. Once everyone is a safe distance away from the launch pad, use the launch controller to send the signal to first establish a connection to the ignition box—after which the safety siren on the launch ignition box should activate—and then send the signal to ignite the rocket booster

Roadmap

See the open issues for a list of proposed features (and known issues).

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

1. Fork the project
2. Create your feature branch (git checkout -b username/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin username/amazing-feature)
5. Open a pull request onto the develop branch of the official repository

License

Distributed under the GNU Public License. See LICENSE for more information.

Contacts

Maintainer: Samuel D. Villegas - [email protected]

Support the Project

Donate to HART