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The Toastboard: Ubiquitous Instrumentation and Automated Checking of Breadboarded Circuits
The Toastboard: Ubiquitous Instrumentation and Automated Checking of Breadboarded Circuits Daniel Drew†, Julie L. Newcomb‡, William McGrath?, Filip Maksimovic†, David Mellis†, Bjoern Hartmann† †: UC Berkeley EECS, ‡: University of Washington PLSE, ? : Stanford University HCI Group ddrew73,fil,mellis,[email protected], [email protected], [email protected] ABSTRACT The recent proliferation of easy to use electronic components and toolkits has introduced a large number of novices to de- signing and building electronic projects. Nevertheless, debug- ging circuits remains a difficult and time-consuming task. This paper presents a novel debugging tool for electronic design projects, the Toastboard, that aims to reduce debugging time by improving upon the standard paradigm of point-wise circuit measurements. Ubiquitous instrumentation allows for imme- diate visualization of an entire breadboard’s state, meaning users can diagnose problems based on a wealth of data instead Figure 1. The Toastboard device and accompanying software. (1) LED bars indicate power, ground, or other voltage. (2) A push button triggers of having to form a single hypothesis and plan before taking a scan. (3) Quantitative voltage data is displayed in the accompanying a measurement. Basic connectivity information is displayed software. (4) Components are associated with testers that run on every visually on the circuit itself and quantitative data is displayed scan. (5) The voltage at a selected row can be viewed over time as a on the accompanying web interface. Software-based testing graph. functions further lower the expertise threshold for efficient debugging by diagnosing classes of circuit errors automati- cally. In an informal study, participants found the detailed, frustrating, and time-consuming to debug. -
Electronic and Electromechanical Prototyping
Electronic and electromechanical prototyping Introduction - ECAD Corso LM ‘Materiali Intelligenti e Biomimetici’ – Prof. A. Ahluwalia 4/05/2017 [email protected] After Breadboards: Matrix Boards We use breadboards for quick construction, Matrix Boards for laying out a project so it can be copied to make a Printed Circuit Board. This is a prototyping board, with copper pads in a matrix layout. You solder the components in place, and then simply cut pieces of wire, and solder them to make the circuit Printed Circuit Board The PCB is the physical board that holds and connects all of the electronic components. The circuits are formed by a thin layer of conducting material deposited, or "printed," on the surface of an insulating board known as the substrate. Individual electronic components are placed on the surface of the substrate and soldered to the interconnecting circuits. ECAD Electronic computer-aided design (ECAD) or Electronic design automation (EDA) is a category of software tools for designing electronic systems such as integrated circuits and printed circuit boards. The tools work together in a design flow that chip designers use to design and analyze entire semiconductor chips. Before EDA, integrated circuits were designed by hand and manually laid out. By the mid-1970s, developers started to automate the design along with the drafting. The first placement and routing tools were developed. Printed Circuit Board Design PCB ECAD Software (Ex. Eagle): PCB design in EAGLE is a two-step process. First you design your schematic, then you lay out a PCB based on that schematic. PCB Design (2) Your circuit design software will allow you to output the PCB layout in a format called Gerber with one file for each PCB layer (copper layers, solder mask, legend or silk) to allow manufacturing. -
Metadefender Core V4.12.2
MetaDefender Core v4.12.2 © 2018 OPSWAT, Inc. All rights reserved. OPSWAT®, MetadefenderTM and the OPSWAT logo are trademarks of OPSWAT, Inc. All other trademarks, trade names, service marks, service names, and images mentioned and/or used herein belong to their respective owners. Table of Contents About This Guide 13 Key Features of Metadefender Core 14 1. Quick Start with Metadefender Core 15 1.1. Installation 15 Operating system invariant initial steps 15 Basic setup 16 1.1.1. Configuration wizard 16 1.2. License Activation 21 1.3. Scan Files with Metadefender Core 21 2. Installing or Upgrading Metadefender Core 22 2.1. Recommended System Requirements 22 System Requirements For Server 22 Browser Requirements for the Metadefender Core Management Console 24 2.2. Installing Metadefender 25 Installation 25 Installation notes 25 2.2.1. Installing Metadefender Core using command line 26 2.2.2. Installing Metadefender Core using the Install Wizard 27 2.3. Upgrading MetaDefender Core 27 Upgrading from MetaDefender Core 3.x 27 Upgrading from MetaDefender Core 4.x 28 2.4. Metadefender Core Licensing 28 2.4.1. Activating Metadefender Licenses 28 2.4.2. Checking Your Metadefender Core License 35 2.5. Performance and Load Estimation 36 What to know before reading the results: Some factors that affect performance 36 How test results are calculated 37 Test Reports 37 Performance Report - Multi-Scanning On Linux 37 Performance Report - Multi-Scanning On Windows 41 2.6. Special installation options 46 Use RAMDISK for the tempdirectory 46 3. Configuring Metadefender Core 50 3.1. Management Console 50 3.2. -
A Credit Card Sized Ethernet Arduino Compatable Controller Board by Drj113 on July 4, 2010
Home Sign Up! Browse Community Submit All Art Craft Food Games Green Home Kids Life Music Offbeat Outdoors Pets Photo Ride Science Tech A credit card sized Ethernet Arduino compatable controller board by drj113 on July 4, 2010 Table of Contents A credit card sized Ethernet Arduino compatable controller board . 1 Intro: A credit card sized Ethernet Arduino compatable controller board . 2 Step 1: Here is the Schematic Diagram . 2 File Downloads . 3 Step 2: The PCB Layout . 3 File Downloads . 3 Step 3: Soldering the Components . 4 Step 4: Programming the Firmware . 5 File Downloads . 5 Step 5: But what does it do???? . 6 Step 6: Parts LIst . 6 Step 7: KiCad Files . 7 File Downloads . 7 Related Instructables . 7 Comments . 7 http://www.instructables.com/id/A-credit-card-sized-Ethernet-Arduino-compatable-co/ Author:drj113 I have a background in digital electronics, and am very interested in computers. I love things that blink, and am in awe of the physics associated with making blue LEDs. Intro: A credit card sized Ethernet Arduino compatable controller board I love the Arduino as a simple and accessible controller platform for many varied projects. A few months ago, a purchased an Ethernet shield for my Arduino controller to work on some projects with a mate of mine - it was a massive hit - for the first time, I could control my projects remotely using simple software. That got me thinking - The Arduino costs about $30AUD, and the Ethernet board cost about $30AUD as well. That is a lot of money - Could I make a simple, dedicated remote controller for much cheaper? Why Yes I could. -
Programming Resume
Thomas John Hastings Programming Resume Introduction: I am a highly motivated self-starter with a passion for problem solving. As the owner of a thriving entertainment agency, Big Top Entertainment, I used coding as a way to automate and improve our business processes. I also designed, built and programmed my own unique performance equipment. Since the pandemic and recurring lockdowns have put live entertainment on hold, I have repurposed my passion for programming into a full time focus. I am looking for a challenge, to be involved in building something, learning new technology and sharing the knowledge I have gained from my own projects. Programming – languages and frameworks: Processing I have extensive knowledge of this Java-based creative programming language. The great thing about Processing is the way you can deploy to Desktop, Mobile, and Cloud with only a few modifications to the same code base. Android (Java) I have seven Android apps published to the Google Play Store, five of which are written in Java. I have developed many more for personal use, including the most recent, CoronaVirusSA, an open source app which graphs reliable stats on the COVID-19 outbreak in South Africa. JavaScript Anyone developing for the web needs to know JavaScript. I am familiar with the Flask back end with Jinja, Bootstrap, JQuery, as well as the excellent Tabulator library for tables. Currently (2020/21) my free time is spent on a couple of entertainment related side projects using this stack. Linux I have been using Ubuntu as my main computing system for over 10 years, both in the cloud (DigitalOcean) and on my Laptop. -
Implementation of a Linux-Based Cnc Open Control System
IMPLEMENTATION OF A LINUX-BASED CNC OPEN CONTROL SYSTEM Tomislav Staroveški, Danko Brezak, Toma Udiljak, Dubravko Majetić T. Staroveski, dip.ing., University of Zagreb, FSB, I. Lucica 5, 10000 Zagreb Dr.sc. D. Brezak, University of Zagreb, FSB, I. Lucica 5, 10000 Zagreb Prof.dr.sc. T. Udiljak, University of Zagreb, FSB, I. Lucica 5, 10000 Zagreb Prof.dr.sc. D. Majetic, University of Zagreb, FSB, I. Lucica 5, 10000 Zagreb Keywords: Open Control Systems, Enhanced currently focused on the development of open Machine Control, Real-Time Linux architecture control system named as Enhanced Motion Controller [4]. After this first initiative, Abstract several other projects have started in the Europe, This paper presents a utilization of a Linux based USA and Japan, among which the most important open architecture control system (OAC) as a CNC are [5]: solution for the mini milling testbed platform. The OSACA (Open System Architecture for characteristics of the chosen OAC solution, testbed Controls within Automation System), structure, and implementation details are briefly OMAC (Open Modular Architecture depicted. Finally, main conclusions and future Controllers), research work are summarized. OSEC (Open System Environment for Controller), 1. INTRODUCTION JOP (Japanese Open Promotion Group). In the last two decades, a lot of efforts have These projects were initiated and supported by been made in the development of open control different machine tool makers, control and software systems for machine tools. They were recognized vendors, system -
Development of a Computer Numerically Controlled Router Machine with 4 Degrees of Freedom Using an Open Architecture
Development of a Computer Numerically Controlled Router Machine With 4 Degrees of Freedom Using an Open Architecture Leonardo Romero Munoz˜ Moises Garc´ıa Villanueva Mario Santana Gomez´ Facultad de Ingenier´ıa Electrica´ Facultad de Ingenier´ıa Electrica´ Facultad de Ingenier´ıa Electrica´ UMSNH UMSNH UMSNH Morelia, Mich., Mexico Morelia, Mich., Mexico Morelia, Mich., Mexico Email: [email protected] Email: moises@correo.fie.umich.mx Email: msantana@correo.fie.umich.mx TABLE I Abstract—A CNC router machine, of low cost, medium preci- ESTIMATED ANNUAL SHIPMENTS OF INDUSTRIAL ROBOTS IN SELECTED sion, using an open architecture, with four degrees of freedom, is COUNTRIES [9]. presented. It is described its hardware and software components. Also some applications to do simple tasks are presented. Country 2010 2011 2012* 2015* America 17,114 26,227 30,600 35,100 I. INTRODUCTION North America ( Canada, Mexico, USA) 16,356 24,341 28,000 31,000 Central and South America 758 1,886 2,600 4,100 Asia/Australia 69,833 88,698 98,900 116,700 Industrial robots have been used with success to do multi- China 14,978 22,577 26,000 35,000 ple tasks including: automotive industry, electrical/electronic India 776 1,547 2,000 3,500 Japan 21,903 27,894 31,000 35,000 industry, metal products and many others (see Figure 1). Republic of Korea 23,508 25,536 26,800 25,000 Taiwan 3,290 3,688 4,400 5,500 Thailand 2,450 3,453 4,100 7,000 Other Asia/Australia 2,928 20,483 4,600 5,700 Estimated worldwide annual supply of industrial robots at year-end Europe 20,483 43,826 44,100 47,200 by industries 2009 - 2011 Czech Rep. -
Beyond Schematic Capture Meaningful Abstractions for Better Electronics Design Tools
Beyond Schematic Capture Meaningful Abstractions for Better Electronics Design Tools Richard Lin, Rohit Ramesh, Antonio Iannopollo, Alberto Sangiovanni Vincentelli, Prabal Dutta, Elad Alon, Björn Hartmann University of California, Berkeley {richard.lin,rkr,antonio,alberto,prabal,elad,bjoern}@berkeley.edu Physical Device Parts Selection Ideas and ATmega Part Number Size Vf +3.3v Iteration Requirements System Architecture OVLFY3C7 5mm 2 V D0 APG1005SYC-T 0402 2.05 V Button J1 Design Micro- D1 5988140107F 0805 2 V D1 controller - or - ... SW1 Part Number Core LED Flow R1 U1 R2 ATmega32u4 AVR GND Micro- controller LPC1549 ARM CM3 Final FE310-G000 RV32IMAC Hand-built Schematic Prototype PCB Prototypes Capture PCB Tools paper, drawing software breadboards EDA suites: Altium, EAGLE, KiCAD parts libraries, catalogs, spreadsheets Used more abstract, high-level more concrete, low-level Design user stories implementation exploration documentation verification cost, manufacturability cost Concerns functional specification verification supporting circuitry system integration component availability and sourcing Figure 1: The electronics design flow, as described by our participants. Users start with an idea, refine that intoasystem architecture, and then iterate physical prototypes. Parts selection happens throughout the process. While certain steps require linear progression, iteration and revision of earlier stages also happen. Overall, EDA tools only support a small part of this process, and moving between steps was a major source of friction. ABSTRACT on clickthrough mockups of design flows through an exam- Printed Circuit Board (PCB) design tools are critical in help- ple project. We close with our observation on opportunities ing users build non-trivial electronics devices. While recent for improving board design tools and discuss generalizability work recognizes deficiencies with current tools and explores of our findings beyond the electronics domain. -
Ecebuntu - an Innovative and Multi-Purpose Educational Operating System for Electrical and Computer Engineering Undergraduate Courses
RESEARCH ARTICLE Electrica 2018; 18(2): 210-217 ECEbuntu - An Innovative and Multi-Purpose Educational Operating System for Electrical and Computer Engineering Undergraduate Courses Bilal Wajid1 , Ali Rıza Ekti2 , Mustafa Kamal AlShawaqfeh3 1Department of Electrical Engineering, University of Engineering and Technology, Lahore, Pakistan 2Department of Electrical-Electronics Engineering, Balıkesir University School of Engineering, Balıkesir, Turkey 3School of Electrical Engineering and Information Technology, German Jordanian University, Amman, Jordan Cite this article as: B. Wajid, A. R. Ekti, M. K. AlShawaqfeh, “ECEbuntu - An Innovative and Multi-Purpose Educational Operating System for Electrical and Computer Engineering Undergraduate Courses”, Electrica, vol. 18, no: 2, pp. 210-217, 2018. ABSTRACT ECEbuntu is a free, easily distributable, customized operating system based on Ubuntu 12.04 long term support (LTS) designed for electrical/electronic and computer engineering (ECE) students. ECEbuntu is aimed at universities and students as it represents a cohesive environment integrating more than 30 pre-installed software and packages all catering to undergraduate coursework offered in ECE and Computer Science (CS) programs. ECEbuntu supports a wide range of tools for programming, circuit analysis, printed circuit board design, mathematical and numerical analysis, network analysis, and RF and microwave transmitter design. ECEbuntu is free and effective alternative to the existing costly and copyrighted software packages. ECEbuntu attempts -
Open-Source Software for Documenting Prototypes, Learning Interactive Electronics and PCB Production
Open-source software for documenting prototypes, learning interactive electronics and PCB production www.fritzing.org Supporting the tinkerer through all steps from breadboard prototype to a professional PCB production Fritzing is developed by the Fritzing community and researchers of the Interaction Design Lab at the University of Applied Sciences, Potsdam with support from the Ministry of Science, Research and Culture in the state of Brandenburg, Germany Index 1. Abstract: What is Fritzing? 3.4 Publishers 1.1 Democratization of Technology 3.4.1 Books 3.4.2 Magazines 2. What is Fritzing for? 3.4.3 Blogs 2.1 Documenting 2.1.1 From a breadboard sketch to a professional file format 4. Fritzing: Development Model and Feature Set 2.2 Sharing and Open-source 4.1 Arduino, Processing and Fritzing 2.2.1 Sharing is Caring 4.2 Why Open-Source 2.2.3 The community 4.3. Three views of Fritzing 2.2.4 The Fritzing.org Website 4.3.1 Breadboard view 2.3 Teaching and Learning 4.3.2 Schematics view 2.3.1 Why teaching electronics is important 4.3.3 PCB view 2.3.2 Teaching at schools 4.4. Parts Editor 2.3.3 Women on the forefront 4.4.1 Personalizing Fritzing 2.3.4 The Fritzing Starter Kit 4.4.2 Making parts simple 2.3.5 How Fritzing overcomes classical teaching difficulties 2.4 Manufacturing 5. Fritzing Quality 3. Who uses Fritzing and how 5.1 Real size 3.1 Teachers 5.2 Flexibility 3.1.1 Academic 5.3 Trustworthiness 3.1.2 School 5.4 Workshops and continuous research 3.1.3 Workshop 3.2 Manufacturers 6. -
A CAD/CAM Oriented Learning Management System
Low‐cost, High‐Capability, Embedded Systems for CNC Education and Research Lo Valvo E.1 1 Università degli Studi di Palermo, Dipartimento di Ingegneria Chimica, Gestionale, Informatica e Meccanica, Palermo, [email protected] Low‐cost, High‐Capability, Embedded Systems for CNC Education and Research Abstract Teaching of CNC and CAD/CAM technologies has recently taken a great importance, due to their development, to the great number of solutions available on the market, and to the frequent updates. Nevertheless, one of the most urgent need is to improve the quality of education coping with a rapidly growing number of students. Nowadays, in comparison to the past, many Open-Source technical solutions, both hardware and software, are available to realise easily and cheaply some scaled-down prototypes of numerical control machine tools: these are able to work perfectly and can be employed as a learning method. This paper shows some past experiences regarding the development of some degree thesis works. In particular, it is shown how to implement a numerical control (LinuxCNC) in two specific cheap embedded systems (Raspberry Pi and BeagleBone Black). In this way, a student has the possibility of simulating the working of a complete Numerical Control and of learning interactively its way of programming. The final result and student response have shown an excellent effectiveness of these experiences and easy to use as powerful tool in engineering education. Keywords: CNC, Open Source, Embedded systems 1 INTRODUCTION Teaching of CNC and CAD/CAM technologies has recently taken a great importance and one of the most urgent need is to improve the quality of education coping with a rapidly growing number of students. -
Main Page 1 Main Page
Main Page 1 Main Page FLOSSMETRICS/ OpenTTT guides FLOSS (Free/Libre open source software) is one of the most important trends in IT since the advent of the PC and commodity software, but despite the potential impact on European firms, its adoption is still hampered by limited knowledge, especially among SMEs that could potentially benefit the most from it. This guide (developed in the context of the FLOSSMETRICS and OpenTTT projects) present a set of guidelines and suggestions for the adoption of open source software within SMEs, using a ladder model that will guide companies from the initial selection and adoption of FLOSS within the IT infrastructure up to the creation of suitable business models based on open source software. The guide is split into an introduction to FLOSS and a catalog of open source applications, selected to fulfill the requests that were gathered in the interviews and audit in the OpenTTT project. The application areas are infrastructural software (ranging from network and system management to security), ERP and CRM applications, groupware, document management, content management systems (CMS), VoIP, graphics/CAD/GIS systems, desktop applications, engineering and manufacturing, vertical business applications and eLearning. This is the third edition of the guide; the guide is distributed under a CC-attribution-sharealike 3.0 license. The author is Carlo Daffara ([email protected]). The complete guide in PDF format is avalaible here [1] Free/ Libre Open Source Software catalog Software: a guide for SMEs • Software Catalog Introduction • SME Guide Introduction • 1. What's Free/Libre/Open Source Software? • Security • 2. Ten myths about free/libre open source software • Data protection and recovery • 3.