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Stavros Korokithakis 2021-03-07 21:27:40 +02:00
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7
content/drone-stuff/ardupilot-setup-checklist.md
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@ -99,8 +99,9 @@ The values in this section are specific to the Omnibus F4, but the settings aren
- [ ] Add arming switch with `RCn_OPTION=41` (on whatever channel you want).
- [ ] Set up modes, possibly having switches override the mode channel to the mode you want.
What I do is set a given channel as the mode channel, and make that channel always output -100% on the radio. Then, I set up channel overrides for each switch, keeping in mind that overrides in OpenTX are executed in order (so the bottom override has the highest priority).
That way, I set MANUAL/ACRO/FBWA to be lowest priority (on the same switch), then CRUISE to override those, then LOITER, AUTO, AUTOTUNE in that order.
Finally, I add RTL to a switch on its own channel, with the highest priority of all overrides. I also add an override for that switch to the mode channel to -100%, so moving any other stick won't exit RTL mode as long as RTL is enabled.
That way, I set MANUAL/ACRO/FBWA to be lowest priority (on the same switch), then CRUISE to override those, then LOITER, RTL in that order. Finally, I add AUTO to a switch on its own channel.
Keep in mind that whatever mode you have on its own channel might be overridden if you flick a different switch.
Unfortunately, the way the mode system in AP works, there's no good way to have a list of prioritized modes, which would be ideal.
## Auto modes
@ -229,6 +230,6 @@ _(Many thanks to Michel Pastor for his help with everything in this note.)_
* * *
<p style="font-size:80%; font-style: italic">
Last updated on March 05, 2021. For any questions/feedback,
Last updated on March 07, 2021. For any questions/feedback,
email me at <a href="mailto:hi@stavros.io">hi@stavros.io</a>.
</p>

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content/drone-stuff/miscellaneous.md
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@ -7,10 +7,15 @@ insert_anchor_links = "right"
This is a bunch of miscellaneous info that wouldn't fit anywhere else:
- The ZOHD Dart 250g with the stock motor draws 4.5A on 2S with the 5x5 propeller. It draws the same amperage at exactly 75% throttle with a 3S battery and the same propeller.
- When wiring your electronics, make sure you don't have any ground loops.
This means that there should only be one ground wire going to each component.
For example, the ESC has one ground wire for power (to the battery) and one for signal (to the FC), you should *only* use one of the two (the one going to the battery).
What you can do for the other ground wire, though, is twist it around the signal wire and only connect it to the FC side, to reduce emissions.
If you have coaxial cable, you can do the same, connect the outer shielding to the FC's ground, and don't connect the other side anywhere, and use the core as signal.
* * *
<p style="font-size:80%; font-style: italic">
Last updated on February 20, 2021. For any questions/feedback,
Last updated on March 06, 2021. For any questions/feedback,
email me at <a href="mailto:hi@stavros.io">hi@stavros.io</a>.
</p>