Release 2017.01.17.00

(Autonomous Robot Control Software)
Make robots with the easiest robot programming software. Experience user-friendly features that make any robot easy to program.

Change Release Notes

  • BLOCKLY and SYNTAX script edit modes (read below)
  • added GetServo for blockly
  • fix for camera tracking in blockly
  • fix for Blockly power() function in math function
  • allow selecting the default editor mode (block or syntax programming when editing scripts)
  • all camera rotation options supported (mobileapp rotation is limited to what is specified in the blue question mark help)
  • fixed RoboScratch Say and SayWait
  • added RoboScratch WaitForSpeech
  • blockly loop forever function
  • bug fixes for the Blockly EZ-Script editor
  • WaitForSpeech() displays the Confidence value when detected before closing
  • WaitForSpeech() uses a mininum Confidence value that can be selected in the TOP MENU -> OPTIONS -> PREFERENCES
  • Blockly fix for Repeat X Times
  • Blockly has a longer WaitForSpeech timeout (10 seconds vs 5 seconds)

All script edits now default to Blockly mode, if there is not already a script. You can change the default behavior in the TOP MENU -> OPTIONS -> PREFERENCES -> DEFAULT EDITOR.

User-inserted image

Code is generated for the new Blockly script edit forms as well... User-inserted image

You can change the default behavior in the TOP MENU -> OPTIONS -> PREFERENCES -> DEFAULT EDITOR. User-inserted image

The last edited mode will be restored when editing the script in the future.

ARC Downloads

ARC Free


  • Includes a free 3rd party plugin robot skill per project
  • GPT-Powered AI support
  • Free with trial limitations

For schools, personal use & organizations. This edition is updated every 6-12 months.



Only $8.99/mo

  • 2 or more PCs simultaneously
  • Includes unlimited skills
  • Premium support discount
  • And much more

Experience the latest features and bug fixes weekly. A Pro subscription is required to use this edition.



  • Load and run any ARC project
  • Operates in read-only mode
  • Unlimited robot skills
  • Early access fixes & features

Have you finished programming your robot? Use this to run existing ARC projects for free*.

  • Minimum requirements are Windows 10 or higher with 2+gb ram and 500+MB free space.
  • Teams known-issues can be viewed by clicking here.
  • Get more information about each ARC edition by clicking here.
  • See what's new in the latest versions with Release notes.

Compare Editions

Feature ARC
  Get ARC for Free View Plans
Usage Personal
Premium support $14.99/ticket $9.99/ticket
Feature requests Yes
Early access to new features & fixes Yes
Simultaneous microcontroller connections* 1 255
Robot skills* 20 Unlimited
Skill Store plugins* 1 Unlimited
Cognitive services usage** 10/day 6,000/day
Auto-positions gait actions* 40 Unlimited
Speech recongition phrases* 10 Unlimited
Camera devices* 1 Unlimited
Vision resolution max 320x240 Unlimited
Interface builder* 2 Unlimited
Cloud project size 128 MB
Cloud project revision history Yes
Create Exosphere requests 50/month
Exosphere API access Contact Us
Volume license discounts Contact Us
  Get ARC for Free View Plans
* Per robot project
** 1,000 per cognitive type (vision recognition, speech recognition, face detection, sentiment, text recognition, emotion detection)


Upgrade to ARC Pro

Experience early access to the latest features and updates. You'll have everything that is needed to unleash your robot's potential.


@DJ... I have been messing with Blockly... I do like it and it's pretty straight forward to use...However, I do hope you have no plans to eliminate or phase out the basic ez robot scripting editor. I much prefer text based programming over anything else....


well, I downloaded new update, installed, and did not see any changes in roboscratch, deleted ARC, reran the saved installer 2017.01.16.01, but got same result. Can someone else check their result, and post? I tried restarting computer after running installer.


Eagle, what changes are you expecting? Please provide more information.

richard, Blockly isn't a programming language. It's an editor interface that generates code, in this case it generates ezscript. Blockly is for beginners and 90% of ezrobot users who are learning to program. It doesn't replace ezscript, it helps generate it. Ezscript is the heart of ARC and cannot be replaced. If you prefer text based editor, the option to select your preferred editor is available in the post above (option is in preferences)

Find out more about Blockly in the activities lesson here:


with your DJ Example Project loaded in ARC, opening RoboScratch (f8), there is no "wait for speech" button in window on left. Only "wait for color" , face, glyph buttons.


Use the scroll bar to scroll through the list of items, as they are sorted alphabetically

User-inserted image

Verify you have the correct version of ARC installed. The version is displayed in the window title when the application is loaded.

User-inserted image

  1. Visit the SOFTWARE section of this website

  2. Locate and click the DOWNLOAD button

  3. The MSI file will download to your browser's download location

  4. Depending on your browser, it may ask to RUN the file directly from it once it downloads. If it does not, you must manually navigate File Explorer to the download folder and run the file by double clicking with the mouse. Ensure the DATE TIME STAMP of the file is correct and that you are installing the correct file

  5. Follow through the installation menus to complete install of ARC


last button is wait for glyph

version shown when opening is 2017.01.16.01

running windows 10 -downloaded your new down file ran the update, it only wanted to update/repair. SO, I deleted the ARC program, and then downloaded/ran the new update file. Got result above.

I am out of ideas?


@DJ... I am getting the same as Eagle218... Current version of ARC (16.01)... went to the cloud downloaded current JD.EZB file... last button is wait for glyph. Nothing afterwards. However, I don't use RoboScratch so I could be missing a step here...


That's super strange. The project has nothing to do with the wait for speech bubble, and it displays on my pcs. I'll reupload a new build and maybe it's a corrupt file in the installer. Something like this has happened in the past once or twice we have experienced.

I'll upload a new build later this afternoon.


I re-compiled and uploaded a new build. This thread title has been renamed with the new build to reflect version. There are no changes to this build, other than a recompile.


OK, got the "wait for speech" button on the bottom of the list, thx