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Leon Heller: I dont' think we can get Perspex in the States. At least, I have never run across it here. Roland F. Harriston P.D. *** Leon Heller wrote:

Or, get the USB connectivity with a USB->RS232 cable. Now your uC just has to support RS232 and many do. There are a lot of platforms that will work and have a bunch of pins but perhaps the MiniSumo

I've heard that the new Arduino UNO boards have configurable USB I/O (The past versions had USB to Serial conversion, which might still be enough, depending on your purposes. All of the requirements

And Perspex, here in the UK. It used to be made by ICI but I don't know if they are still around. Leon -- Leon Heller G1HSM

I am working on my project. Although I want to make a USB I/O device, I have realized I just don't have the confidence for it. So I have decided to buy a USB I/O device and get on with things. I will

Yes, I did remove all discs and they are sitting on spindles. Randy

For robotics and other hobby devices, reversing is usually done with a H-Bridge although a relay will certainly work. Speed control is often handled by the H-Bridge as well. With the relay approach,

It can be done with a latching relay and a couple of momentary micro switches. I uploaded a PDF file in the files section called DCmotorAutoRev.pdf that shows the connection. So long as the power, +V,

tank or ship turret once mechanical triggered (like by a contact switch). Has to be very simple because it is for tiny scale models :)

Terrance: Your are absolutely correct. Nearly the same formulation. You work with Lucite and Plexiglas in the same manner. The point that I was trying to make is that in order to do professional,

Has been looking for SIMPLE way to reverse hobby DC motors to reverse tank or ship turret once mechanical triggered (like by a contact switch). Has to be very simple because it is for tiny scale

"Plexiglas" is PMMA...Poly(methyl methacrylate) It's exactly the same as Lucite. -Terrance

to.... keep customers happy, maybe? ==== Seriously speaking, I do find the solution clever - offer to sell newer model "at discount".? Traditionally warranty and service is not a money making

> And they can be F@$%**g stupidly expensive! That's not their fault.? That's our fault. When I was traveling to far east asia, the locals are dirty cheap.? They just won't pay a lot for product

Don't divert to an unrelated topic. If you take just about any 10 year old capacitor out of a drawer (which was at voltage zero) the capacitance will be within spec. Capacitance changes over voltage

Nice solution to help the customer. It does not surprise me that Sony does not repair older parts; it takes too much time to debug. Also, some parts may not be available since they were probably

Of course. Why repair? !! ?? Cost of parts is minuscule.? The cost of skilled labor to debug a board is expensive.? And even then there's no guarantee the "fixed" board will work flawlessly.?

I don't know what the failure mechanism might be. My conclusions aren't set in stone, nor were they reached very scientifically. Maybe the real problem is that if you replace caps in existing

years ago when I had a computer store I contacted Sony corporate re repairs on a monitor that had been sent in for repairs over 6 months before. I asked them to return the unit unrepaired so I could