---
# System prepended metadata

title: 2023-09-29 - thinkering tasks

---

# 2023-09-29 - tinkering tasks

## Setup UAV for training

The UAV we use for training in Berlin used cheap plastic gear servos. One of the servos failed in the lab for no particular reason. We should change the servos.

We have a buch of old/used servos. Some got in contact with sea water. Double check if we can reuse any servos or make a suggestion for new servos. Philipp can buy servos till the next meeting if necessary.

### TODOs

* [ ] Install new servos
* [ ] Reconnect RFD868 modem
* [ ] Check batterie placement (4S6P and smaller)
* [ ] Recalibrate UAV
* [ ] Complete [pre-flight checklist](https://wiki.searchwing.org/en/home/using-the-drone/checklists/pre-flight) once


## Setup antenna ground station box for training

The [SearchWing antenna ground station box](https://wiki.searchwing.org/en/home/groundstation-build-doc/gcs-antenna-box-v2) is the counter part of the UAV at the ship. The box in Berlin got ripped apart for debugging. We should make sure that the box is ready for training.

### TODOs

* [ ] Connect all components of antenna box
* [ ] Check functionality
* [ ] update software if necessary


## ExpressLRS setup for Talon

Our current FrSky based remote setup has the big disadvantage that we can not bind the remote by passphrase/shared secret. Therefore we came up with a process to clone the radiomaster remotes which allows us to create exact copies of remotes e.g. if a remote goes missing in the ocean. For cloning we have to guard the main remote with our life. With out the remote we are unable to clone new versions.

We used ExpressLRS transceivers in past projects:

https://gitlab.com/searchwing/development/drone-electronics/drone-electronics-issues/-/issues/5

We should create a ExpressLRS setup that is similar to our current remote setup and build a test plane with it.

### TODOs

* [ ] Create bench test with Matek FC and ExpressLRS receiver
* [ ] Discuss and suggest receiver option
* [ ] If necessary buy receiver
* [ ] Setup test UAV and remote
* [ ] Document process

## Integration of theBox into Talon

The mini talon has its limitations e.g. space. Therefore we would like to investigate if we can easily integrate the box into the talon. The Talon is the mother of the mini talon. Check if we can integrate the current box design into the Talon.

Philipp designed some preliminary holders for the box for the Talon.

### TODOs

* [ ] Check how to integrate the box
* [ ] If necessary print parts
* [ ] Build prototyp without electronics
* [ ] Build prototyp that is ready for test flight
    * [ ] Check barycenter etc.
* [ ] Complete test flight

## USB data bus between Matek FC H743 and Raspberry PI CM4

We would like to connect the Matek FC via USB to the CM4. Please take a closer look at the ticket:

https://gitlab.com/searchwing/development/TheBox/-/issues/46

* [ ] Build cable
* [ ] Change software on PI
    * [ ] Create pull request
* [ ] Test setup again
* [ ] Document build process in SearchWing Wiki