Sightings
Companion app for the Peak Atlas DCA75 (DCA Pro) semiconductor analyzer. Connects over USB, runs identify tests and curve sweeps, and keeps every reading in a local database so parts can be compared, binned and matched.
Includes DCA55-equivalent gain figures, nanoamp reverse-leakage measurement, and Pedal Builder, which tells you which classic pedal circuit positions a transistor or diode is valid for. A demo device lets you try everything without a unit.
Not affiliated with Peak Electronic Design Ltd. To open the unit as a normal user, install the udev rule on the host once: the command is in the app under Settings, in the project README, and the rules file is attached to every release.
Compatibility: Uses the C library of the system (may need glibc 2.34 or later)
GitHub Download Sightings Website Sightings Bugtracker Sightings Help Donate
Usage
Sightings is available as an AppImage which means "one app = one file", which you can download and run on your Linux system while you don't need a package manager and nothing gets changed in your system. Awesome!
AppImages are single-file applications that run on most Linux distributions. Download an application, make it executable, and run! No need to install. No system libraries or system preferences are altered. Most AppImages run on recent versions of Arch Linux, CentOS, Debian, Fedora, openSUSE, Red Hat, Ubuntu, and other common desktop distributions.
This AppImage uses the C library of the system and may need glibc 2.34 or later. It does not run on distributions that use a different C library (such as musl on Alpine Linux) or an older glibc.
Running Sightings on Linux without installation
Unlike other applications, AppImages do not need to be installed before they can be used. However, they need to be marked as executable before they can be run. This is a Linux security feature.Beware! AppImages are usually not verified by others. Follow these instructions only if you trust the developer of the software. Use at your own risk!
Download the Sightings AppImage and make it executable using your file manager or by entering the following commands in a terminal:
chmod +x ./*.AppImageThen double-click the AppImage in the file manager to open it.
Sandboxing Sightings
If you want to restrict what Sightings can do on your system, you can run the AppImage in a sandbox like Firejail. This is entirely optional and currently needs to be configured by the user.
Updating Sightings
If you would like to update to a new version, simply download the new Sightings AppImage.
The Sightings AppImage also can be updated using AppImageUpdate. Using this tool, Sightings can be updated by downloading only the portions of the AppImage that have actually changed since the last version.
Integrating AppImages into the system
If you would like to have the executable bit set automatically, and would like to see Sightings and other AppImages integrated into the system (menus, icons, file type associations, etc.), then you may want to check the optional appimaged daemon.
Note for application authors
Thanks for distributing Sightings in the AppImage format for all common Linux distributions. Great! Here are some ideas on how to make it even better.
Pro Tips for further enhancing the Sightings AppImage
Please consider making the Sightings AppImage self-contained, so that it does not depend on the C library of the system and runs on more distributions: ship the C library including its loader (ld-linux-*.so.*) and use it to launch the application, or link statically.
Thanks for shipping AppStream metainfo inside your AppImage. Please open a pull request on https://github.com/AppImage/appimage.github.io/blob/master/data/Sightings if you have changed it and would like to see this page updated accordingly.