This is an electronic circuit simulator. When the applet starts up you will see an animated schematic of a simple LRC circuit. The green color indicates positive voltage. The gray color indicates ground. A red color indicates negative voltage. The moving yellow dots indicate current. To turn a switch on or off, just click on it. The Circuit Lab application is not free and this may be a limiting factor to students looking for an Arduino simulator to work with. The application runs on both Windows and Linux operating systems. It is also community-based and comes with enough supporting materials, case studies and examples teaching you about its features and use.

Open Roberta is the name of a project within the German education initiative 'Roberta—Learning with robots', initiated by Fraunhofer IAIS, which is an institute belonging to the Fraunhofer Society. With Open Roberta Fraunhofer IAIS is looking to encourage children to code by using robots such as Lego Mindstorms, and other programmable hardware systems such as Arduino, BBC micro:bit, and the Calliope mini. The Cloud-approach of the Open Roberta Lab is intended to simplify programming concepts and make it easier for teachers and schools to teach how to code.^[1] Open Roberta is free and does not require any installation. The project was initially founded with €1m by Google.org.^[2][3]

Open Roberta Lab[edit]

Open Roberta Lab is cloud-based programming environment and is the user-facing middleware in a chain of software and firmware bits that make a robot work in a classroom environment.^[4] This environment allows children and young people with no technical pre-knowledge to program a LEGO MINDSTORMS^[5] EV3 and NXT robot, as well as the Arduino based robot Bot'n Roll ONE A,^[6] the BBC micro:bit,^[7] and the Calliope mini.^[8] As of the release 2.3.0, the microboard B-O-B-3 and as of release 3.0 the microboards Arduino Uno, Arduino Nano and Arduino Mega can also be programmed using Open Roberta. There is a variety of different program blocks available to program the motors, sensors, and the EV3 brick.^[9] Open Roberta Lab uses the approach of visual programming. This approach makes it easier, especially for beginners with no experience, to learn how to code. As a cloud based programming environment no installation is needed and any operating system (Mac OS, Windows, Linux) and computer hardware device may be used.^[10][11]One of the advantages of Open Roberta Lab is that it can be used with any device (PC, tablet, smartphone); only a web browser is needed. The Lab can be used without registration, and no user account is needed. As of the release 2.2.1, the Linux-based operating system EV3dev is officially supported for the LEGO MINDSTORMS EV3 robot. Open Roberta Lab is available in the following languages: Catalan, Czech, Danish, Dutch, English, Finnish, French, German, Italian, Polish, Portuguese, Russian, Spanish and Turkish.

Open source community[edit]

The programming platform Open Roberta Lab is open source developed.^[12] Both the software as well as the open source development tools are available on a server of Fraunhofer Society. The development team at Fraunhofer works together with teachers and education experts from the Roberta network. Therefore, also universities and students are involved in the development. It should address especially female students - the guiding principle of the Roberta project.

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Programming language NEPO®[edit]

NEPO is a free open source meta programming language that can be used by students, scholars, teachers, and other interested persons within the Open Roberta Lab. NEPO translates to New Easy Programming Online (or simply OPEN read backwards). NEPO is the name of the graphical programming language and its coupled hardware connection layer. NEPO uses the freely available Blockly library. In addition within NEPO there are additional functionalities and improvements which have been adapted for Open Roberta. The programming paradigm of NEPO is inspired by Scratch, which was developed by the Massachusetts Institute of Technology. A NEPO block always represents and encapsulates a certain robot functionality. A blocks feature set can easily be recognized through the associated block category, for example »sensors«. Programming with NEPO follows a simple principle. The blocks are interconnected and will be executed by the robot according to their order. This principle is called 'sequential operation.'

NEPO block categories[edit]

All available blocks are listed and categorized as the Action, Sensors, Control, Logic, Math, Text, Colours, Variables, Functions, and Massages as shown in the table below.

NEPO input / output connector[edit]

Depending on the block different values can be passed to a block. The type of the value can be identified by the colored compounds (called including »connectors«) of a block. In the chapter »block category« you can see the different values a block may have. Only if the colors of the input and the output connector match, these blocks can be connected.

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A block may optionally also pass a value to another block. These blocks have colored output connectors. Only if the colors of the input and the output connector are the same, these blocks can be connected.

In total there are six input and output types within NEPO. These types can have the following values:

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• Logical value (light blue)
• Number (dark Blue)
• String / Text (green)
• Colour (yellow)
• List (purple)
• Connection (pink)

Open Roberta Simulator[edit]

Since version beta 1.3.0 the Open Roberta Lab also offers a simulation environment. This is a simulation of a two-dimensional robot model equipped with two wheels (differential drive). To program the simulated robot also the programming language NEPO may be used. The simulated 2D model includes the simulation of an ultrasonic sensor, a touch sensor, a color sensor and the display of an LED. In addition, different environments can be chosen. Since version beta 1.4.0 NEPO blocks can used without any changes for the 2D-Simulation and the real robot.

Open Roberta Gallery[edit]

As of release 2.3.0, the 'Gallery' is available, allowing users to share their own programs with everyone else. Logged-in users with a verified account can share their programs by clicking 'edit' in the menu bar, followed by a click on the menu point 'my programs.' In the following overview of the programs saved online, they then just have to click on the gallery-icon on the right-hand side.

Droid4x mac download. How to download and install Droid4x on your PC? Just click on the download button and select the location where the Droid4x file will be downloaded. After the downloading process is completed, open the downloaded file. Now click the next button and then click on the 'agree' button. Installation process will take a few minutes, so be. Droid4x is intended to be an Android emulator that offers you the possibility to experience mobile applications or games on your desktop computer. In addition, Droid4x is designed to let you use your mobile device as a controller for the app.

In order to load a program off the Gallery, users – logged in or not – double-click on the chosen program and are then able to view, change or download its content.

Integrated Systems[edit]

History[edit]

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Open Roberta is a technological extension of the 'Roberta concept'. Roberta (short for: 'Roberta - Learning with robots') is a Fraunhofer education initiative founded in 2002 by the Germany Ministry of Education and Research. Android emulator apple m12. Since 2002 over 350,000 students have participated in Roberta courses.

Awards[edit]

Open Roberta was awarded the 'Bundessieger 2015' at the challenge 'Germany Land of Ideas' in the education category.^[13] In 2016, Open Roberta won the bitkom award 'd-elina' in the professional category.^[14]

References[edit]

1. ^'Open Roberta – a Web Based Approach to Visually Program Real Educational Robots'. Tidsskrift. Retrieved 29 December 2019.
2. ^Berkler, Katrin. 'Pressemitteilung vom 24.03.2015'. Fraunhofer. Retrieved 29 December 2019.
3. ^''Open Roberta' – Fraunhofer, Google und LEGO Education lassen die Roboter los'. Google Product Blog. Retrieved 29 December 2019.
4. ^Williams, Elliot. 'Open Robots with Open Roberta'. Hackaday. Retrieved 29 December 2019.
5. ^Willner-Giwerc, Sara. 'Open Roberta: a review'. Lego Engineering. Retrieved 29 December 2019.
6. ^'Bot'n Roll ONE a Robot'.
7. ^'The Micro:bit Foundation is a global non-profit organisation making invention with technology fun for everyone!'. microbit.org. Retrieved 2016-11-16.
8. ^'CALLIOPE | Home'. calliope.cc. Retrieved 2016-11-16.
9. ^Geek in Sydney
10. ^„Open Roberta Lab“Archived 2015-06-25 at the Wayback Machine
11. ^Jost, B., Ketterl, M., Budde, R., Leimbach, T. Graphical Programming Environments for Educational Robots: Open Roberta – Yet another One?, in IEEE International Symposium on Multimedia (ISM), December 2014
12. ^Sawers, Paul. 'With Open Roberta, Google wants to help German school kids learn to program with robots'. The Next Web. Retrieved 29 December 2019.
13. ^Germany Land of IdeasArchived 2015-12-08 at the Wayback Machine
14. ^Streim, Andreas. 'Bitkom zeichnet beste E-Learning-Projekte aus'. bitkom. Retrieved 29 December 2019.

External links[edit]

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Anyone know of any Arduino simulator/emulator useable on mac?

I been googling my fingertips red hot, and I can find plenty simulators for Windows, but none for Mac. I tried 123D.circuits.io but it's not very good. There's a lot of jittering and delays and you never know if there's something wrong with the code, the setup or the interface. But the concept is PERFECT for me, and I really really need this. As with anything I really need, I am naturally prepared to pay for it.

The last arduino forum post asking the same thing is from 2014, so I thought i'd give it another try.

And just to avoid all the need-jerk 'why don't you just use an Arduino?'- questions: isn't the answer obvious? I code on my free time, which means waiting halls, trains, busses, in the back of cars, on park benches and on my coffee break. I can't bring all components with me everywhere, and I don't have network connection all the time. I need to try out subroutines and new functions and libraries on the fly. A simulator is the perfect solution!