Linux Embedded Challenge Knowledge Base

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Linux Embedded Challenge Knowledge Base

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In videoclipul de mai sus se poate vedea cum robotul este controlat cu ajutorul unei aplicatii Android.Filmulet cu aplicatia se poate gasi pe repositoriul nostru.De aseamenea,am reusit sa facem senzorul LIDAR sa functioneze si sa trimita date spre a fi interpretate.Tot in repositori se pot vedea rezultatele interpretarii datelor si a faptului ca senzorul functioneaza.
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The first edition of Linux Embedded Challenge has dared students to be innovative and to transcend their novel ideas into reality. The below movie shows an overview of Linux Embedded Challenge 2014 edition.
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-we implemented the page where you can get access based on the QR code information, you get a message if the access is granted or denied, if someone enters the field, the admin will receive a notification in logs platform. -if the request time doesn't match the current time, administrator will receive a notification in the admin logs platform that will inform why the access was denied. -exact hour and data are displayed on the page.
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         RS Lang Milestone 1: Build the automobile Build a proof-of-concept car which can rotate its wheels. The rotation speed can be controlled by the UDOO board. At the end of this stage, the vehicle is assembled and it can move.
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Hello, For the last milestone and the bonus we made the python script to control the car. We take images from the camera and then processing them to determine distance to the car in front of us. Based on that distance, python script adapt the speed of the car, stopping it if it is necessary or avoiding the obstacle. We are sorry for bad demo at bonus but the batteries were over and we ran out of time.
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Acest video prezinta modul de utilizare a camera mouse-ului. Am regandit gesturile pe care trebuie sa le faca utilizatorul afisate in Milestone_1. Astfel, utilizatorul trebuie sa miste punctul verde in fata camerei pentru a misca pointerul, sa aproprie punctul verde de camera pentru click stanga si sa-l departeze pentru click dreapta. Inainte de folosirea propriu zisa a camera mouse-ului, camera trebuie calibrata, pentru acuratete maxima in detectarea punctului verde (mai multe detalii in documentatie).
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We installed opencv and libraries for working with opencv in Python and managed to create an application for finding the eye pupil. In case the camera finds the eye, it will display only the data and image for the eye. In case it doesn't it will show the greyscale image and also show an error "No pupil detected". We also added a counter so in case the camera doesn't see the pupil for a certain time it can assume that the eye is closed and will show a message. As we have some issues with the opencv library and detecting camera on UDOO, we have tested the camera only on PC, but if it the code works on Ubuntu 16  it should also work on UDOO.
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When judging the projects we aim to be as fair as possible and identify the projects which are better than ordinary. We are looking for original ideas, something new or something that is improving what existed before, projects well executed and well documented. The jury will be formed by Freescale experienced engineers from two business groups who will try to be as objective as possible and determine the top three projects. The criterion and their weights are depicted below. Criterion Explanation Weight Originality Is this something new or improving something that existed before ? 20% Execution Does it do what it should do? Does it behave according to documentation in multiple scenarios ? Are there stability problems? 40% Usability Is the project easy to use and/or integrate ? Is it easy to understand and learn? 10% Utility Does it have applicability within the IoT or Automotive domains ? 10% Documentation Is the documentation easy to be read and understood? Is anyone with average knowledges on embedded able to reproduce the projects? 20%
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Pentru indeplinirea cerintelor Milestone-ului 2, am atasat un display LCD la placuta UDOO Neo pentru a afisa datele colectate de la senzori. De asemenea, am realizat un simplu meniu, navigabil din butoane pentru a putea afisa selectiv datele primite de la senzori sau toate datele odata. Dupa cum se poate observa in filmulet, atingerea senzorilor duce la modificarea valorilor masurate de acestia.
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-an administrator would be able to access and configure the applications remotely or locally based on mail and a password authentication method. -it can be done over a remote connection (webserver or phone) bonus activities: -an administrator can add, edit or remove requests using the LCD. -on index page are displayed number of requests,  available hours to be reserved through "Check Available Hours" feature and logs, which can be found in the admin platform. -these statistics can be available locally (on the LCD) or remotely (web or phone)
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Arduino IDE patch for UDOO
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Aplicatia administrativa a bazei de date. Design-ul este inca primar deoarece sunt singur in echipa si nu am apucat sa fac si design-ul dar core-ul merge. Pentru cine vrea sa vada cum merge cu mana lui: Adresa: catalin.etrandafir.ro Cont administrator: username - admin parola - admin Daca se buguieste puteti sa puneti un comentariu :smileygrin:
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Am construit cadrul harpei, am montat diodele laser (alimetate de baterii, cu un intrerupator) si am montat si realizat si circuitul cu fotorezistoare.
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-we implemented the QR code generator(not 100%) -the generated QR code contains info from a specific request -as a security and selection method for delete/modify tasks we implemented an unique ID for each reservation, without it you can not delete or modify a request -from now on the site can we accessed using the following address LEC 2017 - Reservation Request  -you can find the entire project+apk for the phone app on our bitbucket repository
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Pentru aceasta etapa am implementat o aplicatie in python, folosind opencv, prin intermediul careia calculam distanta de la camera la obiectul nostru. Am considerat numarul masinii din fata ca fiind un dreptunghi verde. Metoda pe care o folosim pentru a calcula distanta pana la obiect se bazeaza pe asemanarea triunghiurilor, iar formula pe care am implementat-o este: D = (W x F) / P W: latime obiect F: distanta focala P: latimea perceputa de camera P.S. Cand am masurat pentru 60 cm, initial masura bine dar apoi telefonul a intrat in cadru si camera a detectat un contur mai mic, de aceea nu este foarte exact.
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Salutare, In acest clip video demonstram implementarea primului milestone: interactiunea om - asistent pentru a rezolva anumite task-uri din viata cotidiana. In partea stanga a clipului sunt informatiile necesare, in partea dreapta este o interfata web expusa de asistent in care se observa istoricul comenzilor, iar in partea de jos se vede placuta UDOO, microfonul si boxa audio. Pluginurile implementate suporta: adaugarea evenimentelor in Google Calendar; stocarea notitelor in Evernote; obtinerea unor informatii despre sistemul pe care ruleaza asistentul; cautarea unui film pe IMDb si descrierea lui sumara; obtinerea informatiilor despre actiunile dintr-un portfoliu; oferirea informatiilor despre vreme; cautarea telefonului mobil.   Din pacate, din cauza limitei de 3 minute, ne-a fost greu sa cuprindem toate functiile posibile, motiv pentru care am incercat sa exemplificam doar partile relevante fiecarui plugin. Pe langa functionalitatea prezentata in videoclip, asistentul suporta si urmatoarele: suport multilingv; diferite voci si accente (mult mai bune fata de cea folosita in clip); reglarea automata in functie de zgomotul din camera; diferite module pentru transcrierea si redarea textului in format audio. Pentru mai multe detalii despre implementarea solutiilor, instructiuni de instalare si alte specificatii, va rugam consultati fisierul data/milestone_1.md din repository-ul Git. Va multumim, Echipa Yoda
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