LEGO doors that open when a person approaches

These LEGO doors use the new ultrasonic sensor with the NXT to detect when a person approaches. You can see the building instructions at http://mastincrosbie.com/Marks_LEGO_projects/Motion_sensitive_doors.html

Category:

Howto & Style

Tags:

• LEGO
• NXT
• mindstorms
• ultrasonic

[sulomo]

make the doors bigger and create a mall behind it =)

[markclego]

I'd love to (and it was the first thing my sons asked for!) but I don't think I've enough pieces for that job.

[jimbob73514]

Nah make it so that if someone gets stuck in it they chopped in half :)

[TheCourtz27]

That is awesome

Well done

[appleintosh]

@ngata321 With an NXT. And maybe an RCX

[appleintosh]

This looks like a mix of NXT and RCX

[JCdenton50]

Thats pretty cool, you could use it on a railroad crossing if you wanted to make a lego train set.

[rawux1228]

Change to "LEGO doors that open when a hand approaches "

[ngata321]

HOW DID YOU MAKE THAT!?!?!

[DNAidan]

cool



[legomaniac241]

Saweet!

[Lotarionesco]

where can I buy soo beautiful lego collection?

[TTPlayer298]

Nice, now try to make it irl