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Questions tagged [rcx]

The original LEGO Mindstorms Programmable Brick. Use this tag if your question specifically relates to Mindstorms Robotics Invention System 1.0, 1.5 or 2.0.

Released in 1998 as part of a collaboration with the Media Laboratory at Massachusetts Institute of Technology, the RCX Brick was the core element in the Robotics Invention System. It was succeeded by the which was released in 2006.

It had 3 inputs and 3 outputs, as well as a tone-based speaker and small numeric LCD Display, and the brick was based around the LEGO System elements.

Programs were downloaded to the RCX brick via Infrared through a Serial or USB Tower. It came with the its own programming software, but a variety of unofficial languages exist, such as NQC, and leJOS NXJ.

Mindstorms RCX

53 questions
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Replacement power cable for Mindstorms RCX

I have an old Mindstorms 1.5 RCX. The plastic on the power cables has degraded, and they short out and don't work well. These look like they would work as replacements, but I'm not exactly sure. I contacted the seller but they didn't respond. Will…
Brock Henry
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RCX only accepts short programs

I'm new here. I used to use the old Mindstorms to teach robotics at a school back in early 2000s and I thought my grandson would like it, so I have bought an old second hand system. The RCX brick works and the tower is connected to the USB-serial…
Jotec
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How can I upgrade the firmware of an RCX 1.0 to an RCX 2.0?

I have an RCX 1.0 set from 1998 and I would like to upgrade the RCX 1.0 to RCX 2.0. Can this be done? Exactly how would I obtain a firmware file and load it? I do have access to the Bricxx Command Center, if required.
Tony C
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Any substitute / schematic for Mindstorms 2.0 IR tower?

I came across a used Robotics Invention System 2.0 set, but in addition to a few missing bricks, it is missing the IR tower. Is there any generic replacement that I can use to program the RCX or does anyone know where I can find a schematic to build…
Derek Tombrello
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Serial tower stopped communicating with RCX 1.0

I recently bought a RIS 1.5 with brick 1.0 and serial tower (no CD). I got a cheap USB adapter and installed the RIS 2.0. It worked almost fine for a few days. Everytime I started RIS I had to autoconfigure tower, which used COM2. I had to try two…
Jesus
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Why does my RCX programmable brick have no power socket?

My RCX has no power socket, I don't know why. it seems that all RCX 1.0 over #300000 have no power adapters. My ONLY link is Google pictures. why?
zaabtoop
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RCX 1.0 downloaded firmware successfully with RIS 2.0 but does not run any program

I have installed correctly the RIS 2.0 in an old laptop running Windows XP and I successfully downloaded the firmware through the RIS 2.0 to the RCX 1.0, following the standard setup instructions. Now when I turn on my RCX 1.0, the display shows the…
Miguel Gamboa
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BricxCC not seeing USB Tower in Windows 10

I have a similar problem to BricxCC not seeing Serial Tower in Windows 10 except I have a USB tower (not a serial one). I have spent hours on this and didn't manage to solve it. Tried installing it on Windows 10 following this guide:…
Jeremie HAVEL
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Lego RCX 1.0 brick relationship to Robotics Invention System (RIS) & RCX firmware versions

What is the relationship between a Lego RCX 1.0 brick and these: Robotics Invention System (RIS) versions 1.0 1.5 2.0 RCX firmware: firm0309.lgo: RCX firmware version 3.09 firm0328.lgo: RCX firmware version 3.28 firm0332.lgo: RCX firmware version…
CW Holeman II
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RCX Windows 10?

I am a teacher and I use for years Lego RCX in science and technology . Now that I have Windows Surface Pro 2 , I would like if possible to use my RCX robotics kits on windows 10 ? Is that possible ?
Marco Garneau
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LEGO RCX hardware schematic

Where can I find the hardware schematic for the LEGO RCX brick? I spend a lot of time but unfortunately didn't find any useful information.
Tigran
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Microsoft Robotics Developer Studio & RCX Support?

What is the last version of the Microsoft Robotics Developer Studio that supports the RCX? The Wikipedia link (http://en.wikipedia.org/wiki/Microsoft_Robotics_Developer_Studio) indicates RCX was dropped in the "latest" version but doesn't indicate…
robo67
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Programming RCX in 10.9 environment

My school has 15 RCX robot kits that this year has just been sitting because all the old computers with OS X 10.4 are now gone and we are using OS X 10.9. I would like to run the original RoboLab Software (1-2.0) because it is for middle school…
mausman
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What can I do to use my RCX brick?

I got this old mindstorms invention system 2.0 and I can't get the tower to connect. I have the right battery and adapter and a working brick. I have tried the Bricx program and it is not working. I don't know much about the situation, so I'm sorry…
Joey Mohring
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