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# Lecture notes Wednesday
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## Notes regional
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Parametic design - scalable objects (so that if you change one parameter everything changes with it)
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Try as much design softwares as possible
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Parametric design is different in every design software
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## Notes global
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### Constraints
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equality constraints to make things the same size
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dimension consraints force someting to a length
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* imaprative design (click and drag)
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* generative design (describe how you want something and it generatis it)
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#### Freecad
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Different snaps to snap to grid of verticices or edges
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#### loft
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2 lines on different planes that get connected by loft.
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#### Parametric design
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Use of spreadsheet
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### Intergrate 3d view in website
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https://grabcad.com/
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### Video encoding
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Use H.264 to encode videos with
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ffmpeg -i input_video -vcodec libx264 -crf 25 -preset medium -vf scale=-2:1080 -acodec libmp3lame -3q:a output_video
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#### Assigment
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* model a possible final project with cad in 2d and 3d
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* make photorealistic render
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* make a movie
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* make a simulation that it works
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* compress them
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* post the descroption with the design files to the class page
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#### Next week
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* next week paramemtric press fit construction kit.
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* focus on constrains and parametric
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## Regional Day 2
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12 uur blender
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2 uur fusion
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daarna ffmpeg imagemagick
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# Lecture notes Wednesday
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## Notes regional
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Parametic design - scalable objects (so that if you change one parameter everything changes with it)
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Try as much design softwares as possible
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Parametric design is different in every design software
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## Notes global
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### Constraints
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equality constraints to make things the same size
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dimension consraints force someting to a length
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* imaprative design (click and drag)
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* generative design (describe how you want something and it generatis it)
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#### Freecad
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Different snaps to snap to grid of verticices or edges
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#### loft
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2 lines on different planes that get connected by loft.
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#### Parametric design
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Use of spreadsheet
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### Intergrate 3d view in website
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https://grabcad.com/
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### Video encoding
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Use H.264 to encode videos with
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ffmpeg -i input_video -vcodec libx264 -crf 25 -preset medium -vf scale=-2:1080 -acodec libmp3lame -3q:a output_video
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#### Assigment
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* model a possible final project with cad in 2d and 3d
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* make photorealistic render
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* make a movie
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* make a simulation that it works
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* compress them
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* post the descroption with the design files to the class page
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#### Next week
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* next week paramemtric press fit construction kit.
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* focus on constrains and parametric
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## Regional Day 2
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12 uur blender
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2 uur fusion
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daarna ffmpeg imagemagick
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model project in few different programs
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@@ -9,7 +9,7 @@
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## Issues
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### Using the wrong library for the BNO085
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First used the wrong library I used the adafruit bno0xx library instead of the sparkfun bno08x library. The Example script below this reads the BNO085 sensor and returns the values in the arduino serial console.
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First used the wrong library I used the Adafruit bno0xx library instead of the Sparkfun bno08x library. The Example script below this reads the BNO085 sensor and returns the values in the arduino serial console.
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??? failure
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@@ -114,7 +114,7 @@ First used the wrong library I used the adafruit bno0xx library instead of the s
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```
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## New driver
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After researching for a while and looking through other fab academy projects I found out that other people also made drones with microcontrollers and used a premade driver that they customised (https://fab.cba.mit.edu/classes/863.23/Architecture/people/Zhixing/finalproject.html). After doing some research on how to keep the drone upright I also decided to use an exisitng driver because the math required for that is way above my level.
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After researching for a while and looking through other fab academy projects I found out that other people also made drones with micro controllers and used a pre-made driver that they customized (https://fab.cba.mit.edu/classes/863.23/Architecture/people/Zhixing/finalproject.html). After doing some research on how to keep the drone upright I also decided to use an existing driver because the math required for that is way above my level.
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### The new driver
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Im gonna be using the [dRhemFlightVTOL](https://github.com/nickrehm/dRehmFlight/tree/master) driver. The only problem is that it doesn't support my Inertial measuring unit (BNO085). So I will have to customise the driver to make it work with it.
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Im gonna be using the [dRhemFlightVTOL](https://github.com/nickrehm/dRehmFlight/tree/master) driver. The only problem is that it doesn't support my Inertial measuring unit (BNO085). So I will have to customize the driver to make it work with it.
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