Difference between revisions of "Raspberry Pi"

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* Raspberry Pi Zero W
 
* Raspberry Pi Zero W
 
* Raspberry Pi Zero
 
* Raspberry Pi Zero
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* Raspberry Pi 400
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* [[Raspberry Pi400]]
 
* Raspberry Pi 3 Model B
 
* Raspberry Pi 3 Model B
  
 +
= Pi Tutorial Videos =
 +
[[List of Raspberry Pi Videos]]
 +
 +
== Videos: Getting started ==
 +
* [https://www.sketching-with-hardware.org/raspi/os-setup/01_raspi-install-OS_player.html Installing the OS on am SD-Card, initial configuration including SSH]
 +
* [https://www.sketching-with-hardware.org/raspi/python-ssh/02_raspi_python_ssh_player.html Connecting to the Raspberry Pi Zero via SSH, installing gpiozero, LED and Button examples, using the nano editor]
 +
* [https://nerdytechy.com/raspberry-pi-touchscreen-setup-tutorial/ Raspberry Pi touchscreen setup and calibration tutorial]
 +
 +
= Introduction =
 
The Raspberry Pi is a Linux computer that has a multitude of connectors and in particular, it provides GPIO pins. The connector (HAT) provides an easy way to add your own sensors and actuators and there are many boars that can be connected.
 
The Raspberry Pi is a Linux computer that has a multitude of connectors and in particular, it provides GPIO pins. The connector (HAT) provides an easy way to add your own sensors and actuators and there are many boars that can be connected.
  
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* https://randomnerdtutorials.com/raspberry-pi-web-server-using-flask-to-control-gpios/
 
* https://randomnerdtutorials.com/raspberry-pi-web-server-using-flask-to-control-gpios/
  
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== Resources ==
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== Getting started Tasks ==
−
 
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* Connect the two LEDS and a button to the Pi. Write a program that changes LED states (on/off) when the button is pressed.
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=== Pinout of Pi Zero ===
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** [[Push button]]
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physical connections
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** [[LED]]
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<br/> JL: https://peppe8o.com/raspberry-pi-zero-pinout/
 
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<br/> CR: https://de.pinout.xyz/pinout/io_pi_zero
 
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<br/> HW: https://www.argon40.com/learn/index.php/2020/03/06/a-comprehensive-guide-on-raspberry-pi-3-and-raspberry-pi-zero-and-zero-w-gpio-pinout/
 
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<br/> SG: https://medium.com/@nikosmouroutis/how-to-use-atom-with-your-raspberry-pi-through-sftp-382c43176a9e
 
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<br/> YS: https://pimylifeup.com/raspberry-pi-pinout/
 
−
 
 
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=== Setting up Python ===
 
−
NOOBS
 
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configure
 
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<br/> JL: https://www.tutorialspoint.com/python/python_environment.htm
 
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<br/> CR: https://learn.adafruit.com/setting-up-a-raspberry-pi-with-noobs/download-noobs
 
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<br/> HW: https://www.raspberrypi.org/help/noobs-setup./
 
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<br/> YS: https://pimylifeup.com/noobs-raspberry-pi/
 
−
 
 
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=== Access to GPIO ===
 
−
JL: http://codefoster.com/pi-basicgpio/
 
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<br/> CR: https://fedoramagazine.org/raspberry-pi-zero-gpio-fedora/
 
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<br/> HW: https://webnist.de/raspberry-pi-zero-gpio-pins-ueber-den-desktop-steuern/
 
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<br/> SG: https://github.com/fivdi/onoff
 
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<br/> YS: https://www.electronicwings.com/raspberry-pi/raspberry-pi-gpio-access
 
−
 
 
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=== Blinking an LED ===
 
−
JL: https://raspberrypihq.com/making-a-led-blink-using-the-raspberry-pi-and-python/
 
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<br/> CR: https://fedoramagazine.org/raspberry-pi-zero-gpio-fedora/
 
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<br/> HW: https://webnist.de/raspberry-pi-zero-gpio-pins-ueber-den-desktop-steuern/
 
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<br/> SG: https://github.com/fivdi/onoff#blink-an-led-using-the-synchronous-api
 
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<br/> YS: https://electrosome.com/led-blinking-raspberry-pi/
 
−
 
 
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=== Reading a Pin ===
 
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JL: http://raspberry.io/projects/view/reading-and-writing-from-gpio-ports-from-python/
 
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<br/> CR: https://learn.sparkfun.com/tutorials/raspberry-gpio/all
 
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<br/> HW: https://mjrobot.org/rpi-gpiozero/
 
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<br/> SG: https://tutorials-raspberrypi.de/raspberry-pi-gpio-erklaerung-beginner-programmierung-lernen/
 
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<br/> YS: https://projects-raspberry.com/reading-and-writing-from-gpio-ports-from-python/
 
−
 
 
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=== Runing a Webserver that access GPIO ===
 
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JL: https://towardsdatascience.com/python-webserver-with-flask-and-raspberry-pi-398423cc6f5d
 
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<br/> CR: https://www.e-tinkers.com/2018/04/how-to-control-raspberry-pi-gpio-via-http-web-server/
 
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<br/> HW: https://hackaday.io/project/173322-controlling-gpio-outputs-using-a-web-interface-wit
 
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<br/> SG: https://randomnerdtutorials.com/raspberry-pi-web-server-using-flask-to-control-gpios/
 
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<br/> YS: https://www.hackster.io/leograba/creating-an-express-js-webserver-to-access-gpio-5f152f
 
−
 
 
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=== Restful API ===
 
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JL: https://sites.google.com/site/cartwrightraspberrypiprojects/home/other-projects/rest-api
 
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<br/> CR: https://docs.dataplicity.com/docs/control-gpios-using-rest-api
 
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<br/> HW: https://www.youtube.com/watch?v=JZfevVG-VuA&list=PLLIDdNg0t5ceg3mI3vn0YJocJ4ndMtM98&index=4&t=0s
 
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<br/> SG: https://tutorials-raspberrypi.de/raspberry-pi-nodejs-webserver-installieren-gpios-steuern/
 
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<br/> YS: https://www.mulesoft.com/resources/api/restful-api
 
−
 
 
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=== Description of the components ===
 
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JL: https://www.adafruit.com/product/3411
 
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<br/> CR: https://computer.howstuffworks.com/raspberry-pi2.htm
 
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<br/> HW: https://learn.adafruit.com/introducing-the-raspberry-pi-zero
 
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<br/> SG: https://de.wikipedia.org/wiki/Raspberry_Pi  ;)
 
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<br/> YS: https://tutorials-raspberrypi.com/raspberry-pi-sensors-overview-50-important-components/
 
−
 
 
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== Project Ideas ==
 
−
 
 
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=== SG ===
 
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<h3>mindSat</h3>
 
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'''What is it?''': A small portable gadget. Which can record sensor data and give feedback to a user. Mind satisfaction for your offices days.
 
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</br>'''How does it work?''': It comes with five sensors (humidity, haptic, temperature, acceleration & gyroscope) to analyze the users environment and helping him through exercises.
 
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</br>'''Guided Exercises''': It’s hard to do small exercises, often we find excuses to not do it. Concentrated breathing can help your brain to relax, or focusing on small things can reduce stress. Using those informations to create short (~ 5min) exercises.
 
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</br>'''Gamification?''': Reward users for doing exercises. Rewards should be connected with physical things
 
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</br>'''Healthy life''':  According to Google:
 
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Eat healthy, move your body, drink water, breathe, meditate (pray), take a walk and sleep well. Thats all it needs. With mindSat we try to satisfy your healthy needs.
 
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=== JL ===
 
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Home Office Buddy:
 
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<br/>A speaker communicating in a pleasant way with the target person in order to minimize a possible social isolation and encourage the keeping of important routines & daily structures in order to maintain a certain productivity during a working day.
 
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<br/>For Example: Suggest unplanned short breaks if the target person is showing a lack of concentration measured by a certain level of body movement.
 
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=== JP ===
 
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'''Problem''': too much sitting while working in the office
 
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</br>'''Idea''': adjustable desk
 
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</br>'''Sensors''': on the chair, to check, if the user is sitting and how long
 
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</br>'''Notification''': User gets a message after a certain time, that the desk will rise for min. 30 minutes. After that time the desk can be lowerd again, if wished. The Sensor will messures again.
 
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</br>'''Gamification''': a little "stand-up-figure" will be on the desk and will stand up, if the desk is rised. Will be collapse, if the desk is lowered.
 
−
 
 
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=== CR ===
 
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Problem: Tension due to prolonged sitting and incorrect sitting positions (e.g. crooked shoulders)
 
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<br/> Sensors: Kinect for analysis of posture, sensors that measure the tension in the neck
 
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<br/> The longer one maintains a bad sitting position, the older/bent an avatar becomes on the screen. Through movement the avatar becomes younger/upright again.
 
  
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=== YS ===
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* Connect the Pi to your local network and access it from another device via SSH.
  
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<b> Wall-E: your digital stress cleaner </b>
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=== Troubleshooting ===
−
<br/> <b> Motivation:</b>
+
* If updating the Pi fails during its setup wizard (first start of the Pi), you might have to extend your file partition. The wizard interrupts with a "not enough space" error. You can find this option via "sudo raspi-config", select advanced options and expand the filesystem. After a reboot, you should have access to the whole SD card (you can check disk space with "df -h"). Make sure to finish the update with "sudo apt-get update && sudo apt-get upgrade".
−
<br/>Have you ever checked your social media account every five minutes to see if someone has liked your new post? Are you really stressful after browsing Tik Tok for 3 hours and just find you can not finish your task for uni today but you can not stop yourself? Then you may need this robot to "clean" your digital stress!
 
−
<br/> <b> Features: </b>
 
−
<ul>
 
−
<li> The buggy has two “hands” and one trash can </li>
 
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<li> Users’ stress detection: EDA/HRV </li>
 
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<li> If stressful: The buggy will  </li>
 
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<ul>
 
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<li> search for the smartphone (RFID or GPS)</li>
 
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<li> steal the smartphone </li>
 
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<li> drop it into the trash can </li>
 
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</ul>
 
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<li> If user calms down: be allowed to use smartphone </li>
 
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</ul>
 
  
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=== JW ===
 
  
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=== HW ===
+
[[Category:Raspberry Pi]]
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Problem: Pain in the hand and wrist due to consistent movement or incorrect hand/arm position
 
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<br/> Sensors: e.g. Leap Motion for motion and posture detection, keyboard/mouse to track activity (?)
 
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<br/> Vibration of the mouse/keyboard if the same position was kept for too long or no pause was made. A visualization of an inflammation (red pulsating circles) is displayed, which gets worse/better depending on user behavior.  This warns the user when his hand position is worsening. The user may choose to be prevented from continuing to work or not.
 

Latest revision as of 15:35, 12 June 2024

There are different version of the Raspberry Pi https://www.raspberrypi.org/, e.g.

  • Raspberry Pi 4 Model B
  • Raspberry Pi Zero W
  • Raspberry Pi Zero
  • Raspberry Pi400
  • Raspberry Pi 3 Model B

Pi Tutorial Videos[edit]

List of Raspberry Pi Videos

Videos: Getting started[edit]

Introduction[edit]

The Raspberry Pi is a Linux computer that has a multitude of connectors and in particular, it provides GPIO pins. The connector (HAT) provides an easy way to add your own sensors and actuators and there are many boars that can be connected.

Audio input and output are not very good, hence we recommend using a USB Sound Adapter (the 5€ versions work very well).

For programming, we will use python.

For controlling the Pins on the Raspberry Pi, you may want to look at the following library


Web server on the Raspberry Pi

Getting started Tasks[edit]

  • Connect the two LEDS and a button to the Pi. Write a program that changes LED states (on/off) when the button is pressed.
  • Connect the Pi to your local network and access it from another device via SSH.

Troubleshooting[edit]

  • If updating the Pi fails during its setup wizard (first start of the Pi), you might have to extend your file partition. The wizard interrupts with a "not enough space" error. You can find this option via "sudo raspi-config", select advanced options and expand the filesystem. After a reboot, you should have access to the whole SD card (you can check disk space with "df -h"). Make sure to finish the update with "sudo apt-get update && sudo apt-get upgrade".
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