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# <a name="Avionics and Communications Curr"></a> Avionics and Communications Current Task list

See also:

- [[Avionics To-Get list|AvionicsToGetList]]
- [[Software To-Do List|SoftwareToDo]]
- [[news/2005-02-05/logistics]] (May be out of date, better link?)
- see attachments for presentation of current projects

## <a name="Overview of What Needs to Be Don"></a> Overview of What Needs to Be Done (WNTBD)

- New CPAs
- New APS
- New Battery pack
- New IMU
- New ATV
- New ATV TX
- New FC
- GPL-GPS
- Magnetometer
- New avionics module

- Oh, yeah, and a new rocket too eventually

## <a name="Task Dependencies"></a> Task Dependencies

1. Get the FC up and running
2. Get the node front end done
3. Get the FC and node front end to talk
4. Start node development: aps, atv, imu, mag
5. Integrate nodes
6. Figure out communication links
7. build radios
8. build antennas
9. figure out mechanical mounting
10. mount
11. test
12. launch

----

**_Old old old old stuff_**

## <a name="Must be done before launch"></a> Must be done before launch

- Replace LTR ignition and RRR relay with 12A relays and figure out why the LTR relay died.
- Review [[CurrentCheckList]] and [[CurrentBringList]]
- Pass pre-defined integration tests
- Redo the LTC igniter cable to extend 50' from LT using two 25' extension cables with igniter alligator clips on one end and a female banana receptacle for the shorting on the other (protected by a box)
- Sanity check avionics module hardware, including compactflash card strapdown, wire strainrelief and euroterminal block tightness
- Kapton antennas at seams with 1" kapton tape
- Copper tape 2m receiver box, locktight, decide on third nut, strain relief ribbon cable
- APS node firmware update (to sync to latest code, and for better low-current readout, and should never kill batteries if not armed.)

## <a name="Really (really) should be done b"></a> Really (really) should be done before launch

- Double sticky foam tape a box of fuses to the inside of the LTC
- Mark which hole is correct for upper launch lug and better marking module connections
- Prototype ground suitcase
- Recovery node shouldn't ever kill the battery
- GPS node firmware update (so it too can go into "silent" mode)

**Task priorities:**

1. Necessary for next flight
2. Should be done
3. Would be nice

You can find previously completed tasks in the history of this page.

## <a name="ATV"></a> [[ATV|LvTwoAmateurTelevisionOverview]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
</table>

## <a name="Avionics Mounting Plates (AMPs)"></a><a name="Avionics Mounting Plates (AMPs) "></a> Avionics Mounting Plates (AMPs) and Other Mounting and Connectors

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 3 </td>
    <td>
    </td>
    <td align="center"> A/T </td>
    <td> Re-think plates for new PPC cpu. Improve sliding, etc. </td>
  </tr>
</table>

## <a name="APS"></a> [[APS|AvionicsPowerSystemLv2]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> A/T </td>
    <td> Better battery charging algorithm using current sensing </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Update firmware: Sync to latest code, and for better low-current readout, and should never kill batteries if not armed. </td>
  </tr>
  <tr>
    <td align="center"> 3 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Firmware for Batt temp thermistor (charging cutoff) </td>
  </tr>
</table>

## <a name="Battery pack"></a> [[Battery pack|BatteryPackLv2]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
</table>

## <a name="Cylindrical Patch Antennas"></a> Cylindrical Patch Antennas

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 1 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Kapton antennas using 1&quot; tape along seams </td>
  </tr>
</table>

## <a name="Flight Computer PC104 Stack"></a> [[Flight Computer PC104 Stack|FlightComputer]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td align="right"> blocked </td>
    <td>
    </td>
    <td> Start PPC mechanical design </td>
  </tr>
</table>

## <a name="GPS"></a> [[GPS|GlobalPositioningSystem]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Update GPS firmware </td>
  </tr>
  <tr>
    <td align="center"> 3 </td>
    <td>
    </td>
    <td align="center"> A/T </td>
    <td> Go to mg5001 </td>
  </tr>
</table>

## <a name="IMU"></a> [[IMU|InertialMeasurementUnit]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Calibrate calibrate calibrate! </td>
  </tr>
</table>

## <a name="Launch Tower Computer"></a> [[Launch Tower Computer|Lv2LaunchTowerComputer]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 1 </td>
    <td>
    </td>
    <td align="center"> ? </td>
    <td> Fix badly frayed power cord on solar array, prevent recurrence </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td>
    </td>
    <td> Add Amp-Hour meter to umbilical </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ? </td>
    <td> Add battery voltage, PV voltage, and internal box temperature sensors and messages </td>
  </tr>
  <tr>
    <td align="center"> 3 </td>
    <td>
    </td>
    <td align="center"> TH </td>
    <td> Dedust and paint 3/4 inch plywood antenna bases </td>
  </tr>
  <tr>
    <td align="center"> 3 </td>
    <td>
    </td>
    <td align="center"> A </td>
    <td> Add the 2mm LED jumpter back on the LTC </td>
  </tr>
</table>

## <a name="Recovery"></a> [[Recovery|RecoveryNodeLV2]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 1 </td>
    <td>
    </td>
    <td align="center"> T </td>
    <td> Copper tape 2m receiver box, locktight, decide on third nut, strain releif ribbon cable </td>
  </tr>
  <tr>
    <td align="center"> 1 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> The recovery node is not reseting the timers (or something) when taken out of ARMED mode. (This is both a bug and an architectural failure.) The symptom is &quot;****&quot; for the drogue timers on the 2nd and subsequent test runs. The main timers may also be wrong but are out of range and can&#39;t be read (&quot;????&quot; -- dare to use a decimal point) </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Prevent battery death when NOT ARMED </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Fix weird charging messages </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Fix lack of battery current in battery message </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> implement quiet mode, if not already done </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td align="center"> ADG </td>
    <td> Sync code to latest APS firmware so that emergency powerdown works </td>
  </tr>
</table>

## <a name="RocketReady Relay Board"></a> [[RocketReady Relay Board|Lv2RocketReadyRelay]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 1 </td>
    <td>
    </td>
    <td align="center"> A/T </td>
    <td> Replace RRR relay with a high capacity version. </td>
  </tr>
  <tr>
    <td align="center"> 3 </td>
    <td>
    </td>
    <td align="center"> A/T </td>
    <td> Replace RRR relay LED with a clear, high efficiency red LED. </td>
  </tr>
</table>

## <a name="Launch Tower Relay Board"></a> [[Launch Tower Relay Board|Lv2LaunchTowerRelay]]

<table border=1 cellpadding=0 cellspacing=0>
  <tr>
    <th bgcolor="#99CCCC"><strong> Priority </strong></th>
    <th bgcolor="#99CCCC"><strong> Status </strong></th>
    <th bgcolor="#99CCCC"><strong> Who </strong></th>
    <th bgcolor="#99CCCC"><strong> Task </strong></th>
  </tr>
  <tr>
    <td align="center"> 1 </td>
    <td>
    </td>
    <td align="center"> A/T </td>
    <td> Remove, diagnose and replace ignition relay </td>
  </tr>
  <tr>
    <td align="center"> 2 </td>
    <td>
    </td>
    <td>
    </td>
    <td> New LTC igniter lights </td>
  </tr>
  <tr>
    <td align="center"> 3 </td>
    <td>
    </td>
    <td align="center"> A/T </td>
    <td> Replace RRR relay LED with a clear, high efficiency red LED. </td>
  </tr>
  <tr>
    <td align="center"> 3 </td>
    <td>
    </td>
    <td align="center"> ? </td>
    <td> Make LT relay SPDT sense contacts inputs on PIC </td>
  </tr>
</table>

----
Attachments:

- [[avionics_projects.odp]]
- [[avionics_projects.pdf]]