Best Rated threads in General Robotics Forumshow all threads

Subject Author Posted Replies
 
computer-controlled electromagnet?
Hello. Just wondering if anyone has ever seen any computer-controlled electromagnets? I'd like to turn it on/off via USB or serial cable. It only needs to be powerful enough to hold a few ounces of...
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how to "smoke" clear plastic?
I have a clear plastic shell. I don't know exactly what sort of plastic it is, but it's probably not polycarbonate; it was cheap (bought it at the dollar store). I need to paint this with something...
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Using MIDI Files to Control Animatronics Info Please
Using MIDI Files to Control Animatronics Info Please Is anyone using MIDI files to control Animatronics? I have heard that the best way to control individual actions of a robot is by using MIDI files...
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fanuc robot: TP to LS
This is about a robot model R-J3iB from I couldn't find this info anywhere, on how to build the TP file with something like maketp. I've got ROBOGUIDE installed and working fine, where I can run a...
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STP-58d5008 Stepper Motor Datasheet
I would like to get the datasheet for this motor and the manufacturer name. The label on the motor states: MPJ-1867-31 STP-58d5008-01 1.8[deg/step] 0.5ohm 14951G Altberg Zachary Is it one of these:...
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DIY strain-relief on wires to PCBs ?
I have found on some PCB device that wire leads attached directly to the board eventually break at the point of soldering. Has anyone had any drawbacks to putting a dab of silicone sealant right there...
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Non-reflective material for IR
Which materials have the non-reflective property to infra-red (IR) light ? Hi I would say holes (as in wheels) and the colour black, as it gets hot in strong sunlight, showing that it absorbs IR...
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Removing gearhead from Maxon motor
I have a couple of Maxon motors and would like to swap gearheads. They are both 16mm diameter. I can't figure out how to remove the gearheads. There are no apparent screws holding them on. Thanks for...
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device to press R/C servo spline grooves into a hole ?
Anybody know of a mechanical device to "carve" or press the spline grooves into a hole so we can use custom components on a R/C servo ? I know there are several alternatives such as those gears and...
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Desoldering question
I started doing hobby electronics again fairly recently, and recycling/ scavenging is a big draw for me. As it happens, my company throws away lots of useful stuff, and over the past year I've brought...
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Need good reference to derive Jacobian
I'd like to derive the Jacobian matrix for the Space Station RMS, so I wonder if the group can recommend a good reference book. Perhaps JJ Craig's Intro to Robotics? In particular I want to use the...
 
Distance Sensors
Hi, I'm looking for an accurate distance sensor (I guess that a sonar will be the best). The sensor I'm looking for should be interfaced easily with a PC (RS-232, USB). Thanks! "Best" depends on a...
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UMI RTX robot
Dear everyone, I am working on a UMI RTX robot for my thesis. Does anyone have a ready code to control this robot? In visual c++. thanks Surely, you can type "UMI RTX" into Google and read the...
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MIDI in with Basic Stamp II
I'm making an automated drum machine for my senior design project and so far I have it set up to simply play off a loop of high/low commands programmed onto the stamp... want it to be able to read...
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how to tell if cutting board is Delrin ?
I suspect an old kitchen cutting board I have is Delrin. Is there any = way to tell ? ( no markings that I can see ... ) It is about 1/2 inch thick and kind of milky-translucent. Also, edges = melt...
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AVRcam vs CMUcam
I imagine there are people around here who have used both of these devices. I picked up an AVRcam this week, and started playing with it. The thing sends out a "torrent" of data in ET = color-blob...
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ultrasonic sensors => maxsonar EZ-1, SRF0x, or PING
Hi all, I'm trying to perform an experiment where my aerial robot follows a wall and then turns left when finding an opening (assuming the first opening it sees is a 6 foot doorway on its left of...
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Can you ID this motor?
I'm new to electronics and thought I was working with a DC motor. The reason I thought it was DC was becuase it was powered by a single AA battery. After reading the information at I'm thinking the...
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Parallel Port Interface/ADC0820 HELP PLEASE!!!
Hello All, I have a serious problem getting my circuit to work, and maybe someone here can help. I read threads here all the time, and have gotten some help one or twice (who knows, maybe someday ill...
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please help profile cutter
Hi I am looking for imformation or schematics for a MAGIC EYE PLASMA PROFILE CUTTER ,this is the type where you put a drawing down & the eye traces the black line of the drawing . I would like to...