Digital Compass Download
Mozelle Towers
Through the suite of popular choose-your-own-path games, students play through the perspective of one of eight main characters, each of whom is facing a different digital citizenship dilemma. The varied story paths and multiple decision points encourage students to play repeatedly in order to explore alternative courses of action. Games are also available in Spanish.
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The Declaration, put forward by the Commission in January 2022, presents the EU's commitment to a secure, safe and sustainable digital transformation that puts people at the centre, in line with core EU values and fundamental rights.
The digital rights and principles outlined in the Declaration will complement existing rights, such as those rooted in the Charter of Fundamental Rights of the EU, and data protection and privacy legislation. They will provide a reference framework for citizens on their digital rights, as well as guidance for EU Member States and for companies when dealing with new technologies. They are intended to help everyone in the EU get the most out of the digital transformation.
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The only issue I've been having to work against isn't how twitchy the compass is. (Angular Smoothing seems to solve this issue just fine) My main issue is that when the device is held Vertical the compass values start freaking out. Causing an on screen compass to flip about all over the place. I don't have a lot of experience with mobile application development so I'm not sure what would be causing this issue, if its a Unity issue or if its just a limitation of the digital compass. I know other apps do seem to be able to use the compass fine in any orientation, but this is all stupidly new to me.
The problem can be generalized in the following way. You want to have some continuous function that takes a 3D vector (which is device orientation in your case) and returns another vector that is orthogonal to original vector. Theory says (see hairy ball theorem) that for some arguments that function will return zero vectors. In case when such a function is compass, zero vectors are returned when device is oriented vertical (and this fells quite natural if you have ever used an ordinary compass).
I am using the Arduino Uno, so I will be interfacing with the ATMega328P microcontroller via I2C. The compass will be mounted on an autonomous lawn mower so compass modules that have tilt compensation are unsuitable due to the excessive vibrations from the rotating blades.
The CMPS03 is a module with a microcontroller.
Since the Arduino can interface with most magnetometers, this extra microcontroller is not needed.
I can't read the text on the sensor very well, it could be a LSM303DLH, that is a tilt compensated compass sensor.
If you want full control over the magnetomer, use a compass sensor.
If you don't want to write the calculating for the tilt compensation, you can use this module.
If this little instrument would give a very accurate setting of the Declination angle of an object, could one use a digital compass to obtain the Right ascension setting? (would such a compass would have to be aligned to match the mount in facing the Pole Star).
Seriously though, I appreciate that you are saying a digital compass could be used in conjunction with the digital "inclinometer," but I don't quite understand the difference between the RA and Dec and "Alt Azimuth" systems? (do I need to? I would like to know!!). I know that the "Stellarium" program that I use does indeed give both systems.
I've looked at digital compasses and they are far too expensive (compared to the Wixey). However, a cheap incremental encoder should suffice. Somebody with the right skills needs to try and make a device for a Skyliner, say, with an encoder, a numerical display and some logic circuits and a couple of microswitches.
Digital inclinometer works well for Alt and is accurate to 0.1 degree but needs careful leveling of the scope. For Azimuth, compass won't work due to magnetic interference. You can try manual setting circles drawn on a cardboard. It will put in you in the ball park. Then you slowly move your scope around and see if you can see the target in the low power eye piece or the finder scope.
I have posted this very handy setup of mine in CN a few times already.
A C6 OTA on a modified Porta mount with a digital angle gauge to read the altitude angle and a plastic protractor at the base to read the horizontal angle. Both angles can be obtained in real time from many computer software, such as the Stellarium.
For a while I used a Craftsman digital inclinometer and it wirked great! I also tried a magnetic compas, but the one that I used didn't work very well. I got much better results with a large azimuth circle. From there I went to using an ETX-105 fitted with a laser pointer to serve as a point-to scope, a setup that I really liked. Nowadays, if I don't want to spend a lot of time hunting I use a point-to scope, otherwise I use a good 50mm RACI finder and star-hop using my Pocket Sky Atlas.
I have posted this very handy setup of mine in CN a few times already.
A C6 OTA on a modified Porta mount with a digital angle gauge to read the altitude angle and a plastic protractor at the base to read the horizontal angle. Both angles can be obtained in real time from many computer software, such as the Stellarium.
The sky object may not be reached spot on and I usually need the 9x50 finder to do the final adjustment.
C6 AltAz.jpg
I guess it is natural that we should start to incorporate star hopping into this. Even if the angle gauge and compass can get us close to our target we still need to have some ideas of the stars around it to confirm we are on it. And we need a realistic idea of what it will look like when we find it. Turn Left at Orion is very helpful for this as it shows us:
Yes, I just noticed this thread and would recommend you spend some time on that long thread. The key take-aways from that thread is that many good digital inclinometers have a resolution of 0.1 degrees and repeatability of nearly that on a scope for altitude, but magnetic compasses seldom will get you closer than a few degrees. Large azimuth setting circles can give very accurate pointing as long as things are levelled well.
An important trick is to have a moveable pointer or rotating scale so that you can fine-tune your azimuth scale to a known bright object with current azimuth data for it. Simply set it close to begin with, with a compass if desired, and then look up azimuth coordinates for your location and time of a known object. Aim your scope at it and then tweak your scale to match the nominal angle. Voila!
I am working on creating a digital compass subsystem utilizing the LIS2MDL digital compass component. However, I am confused as to how its high & low offset registers function. The datasheet does not go into much detail in its description. I would humbly request for some clarification on their functions as I am trying to calibrate the digital compass so that it may show a perfect direction toward North at a level value for its y & z axes. I am trying to also adjust the compass so that its measured angle will remain the same, even should its angle in the y or z axes change somewhat.
On March 9, 2021, the European Commission presented its vision for a human-centred, prosperous and sovereign digital future by 2030: the Digital Compass. This strategy aims to make the European Union an assertive player in fair and rule-based international trade, thanks to a solid industrial base, highly-skilled citizens and a robust civil society.
At a less visible level, Europe also relies on non-EU actors in key areas of its digital infrastructures, especially cloud computing. Cloud providers are managing to move up the stack, from providing infrastructure as a service (IaaS) using platform as a service (PaaS), to offerings in data spaces, thus leveraging their dominant position in IaaS to own the digital B2B space.
Interoperability between digital platform services must be fostered (cloud providers, digital intermediaries, etc.). European companies and citizens must be able to use the services that best suit their needs. To do so, they must be free to change services as their requirements evolve, including to choose emerging European ones. If companies want to, they should also be able to segment their needs and use different actors for different services. In this regard, we expect a lot from the Digital Markets Act to reduce locking effects and the gatekeeping power of large platforms: actors with a gatekeeping role will be asked to share data with other players or offer the possibility for new competing platforms to use their key features.
In parallel, the European Union must continue its efforts to reassure European companies on the perceived risks associated with data processing. We welcome the Gaïa-X project, which aspires to develop standards and promote secure interface options for companies to access, share and process data. These standards must ensure the necessary commodification of cloud computing, in order to allow European companies to innovate and create their own digital solutions.
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