... in a useful manner to get the resolution of 10 bit ADC. Gopi Menon hello gopi,...
gopi@...
Jul 1, 2005 8:08 am
24493
It's enough power if you want what you get. Forces = (dm/dt)*(Vb-Va) (dm/dt)=DaVaAa=DbVbAb dm/dt = mass flow rate Da=Density at point a Va=Velocity at a...
... figure out the force of the motor. Hi Jon, I made a complete hash of the details in my previous post and for that I apologize. The pumps I have are 360gph...
Hi Larry, Very nice work with the hand, please keep us in the loop. I have a few applications here that require actual hands to perform, I would love to train...
How much force does a 1000gph pump produce through a 3/4" outlet? 3.879 Newtons and if you made it a 1/4"dia. ideally it should produce 35 Newtons. That's if I...
Triffid is right--the H-bridge chip (L293D) cannot by itself provide the variable speed control you are looking for. You need to have a microcontroller send a...
I know ABSOLUTELY NOTHING about robotics, and i need the help of you experts! I am in need of a SIMPLE, SELF-CONTAINED, fairly powerful vibrating device for...
Hey guys, Found this on CyberGuys. Apparently it's for connecting a PlayStation2 to a wireless network, but seems like it's just a dedicated wired-to-wireless...
Nina, Most vibrators are simply motors with an off center weight attatched to the end. a small version that comes to mind can be had by taking apart an old ...
All a cell phone vibrator is, is a small motor with a weight on the shaft that is out of balance. Then you turn on and off the motor to get the vibration. ...
So what you need to do is apply a vibration to one or more crystals, then convert the high voltage low current AC output from the crystals into a lower voltage...
You would have to do 16 bit operations but I would suggest 2.10.4 fixed point format (integer.fraction), that way you can manipulate your 10 bit data with 1...
I just had a look at the data sheet. It is the same as many simular devices. The IR must be modulated at 40 KHz but it is not necessary to turn it on and off...
Howdy I've been chasing noise related to the new Polaroid sonar modules on the 6-wheel robot, and it appears that I can reduce it substantially by placing a...
Nina, Surplus pager/cell phone motor mounted/enclosed in a plastic box/tube with one or two AAA/AA batteries would normally work well, but I'm not sure of how...
dear sirs, I am working on a data acquisition circuit which needs to be interfaced to a PC (RS 232 serial).I have no such interfacing experience.How do I start...
gopi@...
Jul 4, 2005 8:18 am
24513
We would like to remind you of this upcoming event. Monday Night Chat Date: Monday, July 4, 2005 Time: 7:00PM - 9:00PM PDT (GMT-07:00) Monday Night Chat...
SeattleRobotics@yahoo...
Jul 4, 2005 2:02 pm
24514
Greetings, Karell! At this time, there are no plans for waterproofing the hand. However, it is possible. Your teleoperations in dangerous environments sounds...
Hello all, I believe I understand the basics of dead reckoning, but I'd like to understand how other roboticists are using this in place of GPS? The main...
There are many possible solutions to your problem, depending on what sort of data you are collecting. Larry Barello sells a board that would allow you to...
The GPS system basically functions by satelites sending a very low power RF signals and the reciever triangulating its location based on those signals. These...
In order to make use of GPS, you need an unobstructed view of at least four of the GPS satellites currently over the area. Buildings and trees in the Seattle...
Now if I understand your real question correctly, the idea is take two consecutive waypoints and calculate the distance and the heading along a line between...
Basically you build a map of the area using the waypoints and other data you may collect. Then plot a path from the start to the end that avoids the obstacles....
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