Frank, I sold 3 books in February, but I found out one sale was my wife, does that count?
I think more people are interested in watching Justin Beiber pee in a trash can. On Friday, February 28, 2014, <[email protected]> wrote: > Thanks Alan. > > I really still have a lot to learn. Its fun! Industrial products are > the way > to go. > > Today I'm going to turn over my #1 detector over to the dump owner. #5 > false signals should not be a problem since there are no #5 bottles. We > shall see how it goes in actual operation. If it works OK we will have our > first product. I will video the operation. I hope it is not a fiasco. > Next going to try my luck at #2 plastic detection. #2 is transparent at > terahertz frequencies. I already have the PIR (passive infrared) detector. > I am going to try one of those etched plate Edmond Scientific visible > spectrum analyzers as a cheep infrared polarizer. > > heat source----> etched plate---> #2 plastic----->etched plate 90 deg > ---> PIR detector > > We shall see what happens. Maybe I will learn more and advance by two > steps. > So far the costs have been low and Its been a learning experience. > > Sold 14 books in Feb. That produced revenue of $2 per day. My cat > could live on it. > Thank God I had a regular job for 32 years. This starting a business is > difficult. > > Frank > > > -----Original Message----- > From: AlanG > <[email protected]<javascript:_e(%7B%7D,'cvml','[email protected]');> > > > To: vortex-l > <[email protected]<javascript:_e(%7B%7D,'cvml','[email protected]');> > > > Sent: Fri, Feb 28, 2014 1:45 pm > Subject: Re: [Vo]:Plastic detector find > > > On 2/28/2014 6:09 AM, > [email protected]<javascript:_e(%7B%7D,'cvml','[email protected]');>wrote: > > Thank you Alan G. > > How? I really want to do this. > > > I would start with a process-control camera module, maybe 320x240 pixels. > You shouldn't need more resolution, and keeping the pixel count small means > you won't need a fancy image processing chip. Such modules typically use > the common I2C or similar serial control and data interface, and some > modules will have an on-board micro controller. If I were doing this > project, I'd write some firmware that would look at the change in color > information between adjacent pixels and the do some simple statistical > analysis on the result. The goal is to generate a single value for each > image that represents how many colors are contained in the image. Then all > you need is a threshold value above which the #5 plastic is detected. Other > thresholds based on luminance might be capable of sorting out the other > types so that a single detector could do the whole thing. > > AlanG >
