Actor-Lab
Open-knowledge reference entry

Actor-Lab is a program that visualizes the Lego Mindstorms internal logic through visual flowcharts. The ideas underlying actor-lab are derived from the event-driven, message-passing computer languages that began with the actor based languages devised by Hewit. Actor-lab requires constant communication with a programmable brick (e.g. the RCX) via an infra-red link. This means that the user has to mount the programmable brick vertically for models that move about, and hold the tower in some form of gantry crane. Actor-lab shows the user in real-time what is happening on the programmable brick, including simulation of motors, sensors, lights, and sounds. One can also add controls at the bottom of the screen to give oneself real-time control of your program/model. There is a similar program from Lego called Robolab, where one can actually download programs to the Lego programmable brick.
Controls within
Alt+Mouse Drag on an actor will move him to any location specified.
Double Click on an actor will edit his current messages.
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This entry incorporates text from “Actor-Lab” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.