[DeTomaso] Optical turn signal control
gow2 at rc-tech.net
gow2 at rc-tech.net
Sun Jan 27 11:31:24 EST 2013
I have a book here titled "The Mother of all Windows 95 books"....Does
this mean you don't want it? I figure it is equal to about 1/2 log in our
wood burner.
> I use Windows 7 64 bit and Andriod with tablet and phone. I have seen
> Windows 8 and will not be upgrading to it anytime soon.
>
> Michael
> On Jan 27, 2013 10:57 AM, <gow2 at rc-tech.net> wrote:
>
>> Ironically, last night we were cleaning some shelves in the basement. I
>> pulled out a 1/2 dozen windows 95 books. They are headed for the wood
>> burner if anyone want's one!
>>
>>
>>
>> >
>> > Give it another 1000 years and it will be known for what it was really
>> > worth. That's when they had realized that everyone knew to only
>> install
>> > alternating versions of windows. Only the ones ending in an odd
>> number
>> > worked at all.
>> >
>> > jerry
>> >
>> > On 1/26/2013 3:29 PM, michael at michaelshortt.com wrote:
>> >>
>> >> You both know that Windows ME was best!
>> >>
>> >> :-)
>> >>
>> >> Michael
>> >>
>> >> On Jan 26, 2013 4:24 PM, "Jerry Knotts" <knottsj at galstar.com
>> >> <mailto:knottsj at galstar.com>> wrote:
>> >>
>> >>
>> >> I thought XP was the cats meow. It was the first Windows that
>> could
>> >> emulate the 1984 Apple operating system and not have "the blue
>> >> screen of
>> >> death" occur periodically.
>> >>
>> >> Started in computers in 1965 on a RAMAC,
>> >> jerry
>> >>
>> >> On 1/26/2013 2:53 PM, Charles McCall wrote:
>> >> > That's awesome!
>> >> >
>> >> > I remember Windows 3.1... and 3.11... and how 95 would be so
>> >> great....
>> >> >
>> >> > Charles McCall
>> >> > Raising Pantera Awareness Across Europe
>> >> > 1985 DeTomaso Pantera #9375
>> >> > http://www.poca.com/index.php/gallery/?g2_itemId=2323
>> >> >
>> >> >
>> >> > -----Original Message-----
>> >> > From: detomaso-bounces at poca.com
>> >> <mailto:detomaso-bounces at poca.com>
>> >> [mailto:detomaso-bounces at poca.com
>> >> <mailto:detomaso-bounces at poca.com>] On Behalf
>> >> > Of gow2 at rc-tech.net <mailto:gow2 at rc-tech.net>
>> >> > Sent: sábado, 26 de enero de 2013 21:41
>> >> > To: David Fisher
>> >> > Cc: POCA list
>> >> > Subject: Re: [DeTomaso] Optical turn signal control
>> >> >
>> >> > Had a guy her servicing our Laser a couple weeks ago. I talked
>> >> about doing
>> >> > things in Windows 3.1. He gave me a blank stare. I said, "you
>> >> know before
>> >> > Windows95?"......."What's Windows95?".....
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >> It looks like you are having a lot of fun. I'll date myself,
>> >> but I
>> >> >> recall
>> >> >> making a x y milling controller off a Z80 eval board. Pretty
>> >> satisfying
>> >> >> to get all the things to work together.
>> >> >>
>> >> >> Keep all the creativity coming... love to see it.
>> >> >>
>> >> >> David
>> >> >>
>> >> >>
>> >> >>
>> >> >> On Sat, Jan 26, 2013 at 8:13 AM, <gow2 at rc-tech.net
>> >> <mailto:gow2 at rc-tech.net>> wrote:
>> >> >>
>> >> >>>> Cool stuff... do tell more...
>> >> >>>>
>> >> >>>> David
>> >> >>>>
>> >> >>>>
>> >> >>>
>> >> >>>
>> >> >>> The control for the turn signal encoder is called the
>> Arduino.
>> >> The
>> >> >>> Arduino
>> >> >>> is what I call "a micro controller for dummies". These type
>> of
>> >> platforms
>> >> >>> are becoming very popular. Arduino is one of the most popular
>> >> platforms
>> >> >>> with an enormous wealth of information.
>> >> >>>
>> >> >>> I call it a micro controller for dummies because yu don't
>> have
>> >> to
>> >> >>> understand much about the micro controller. Configuring and
>> >> programing
>> >> >>> is
>> >> >>> basic. If you have done ANY basic level introductory program
>> >> you can
>> >> >>> follow the examples which are plentiful through Google and
>> >> books. It is
>> >> >>> just about getting the syntax right.
>> >> >>>
>> >> >>> The Arduino has a compiler (free download). The Arduino plugs
>> >> into a USB
>> >> >>> on the computer. If you want to control say a servo, in a
>> Micro
>> >> >>> Controller
>> >> >>> you may have to create a signal at a specific pulse width to
>> >> operate the
>> >> >>> servo. In the Arduino, you make a note in the beginning to
>> add
>> >> a servo,
>> >> >>> name an item a servo then tell the item to move to a
>> position.
>> >> It's that
>> >> >>> simple. The rest is how you nest your program to do what you
>> >> want.
>> >> >>>
>> >> >>> There is an explosion of these sort of boards right now. I
>> >> would say the
>> >> >>> Arduino is one of the most popular for this sort of
>> >> application. Radio
>> >> >>> Shack is even carrying these now; along with the LCD I use,
>> >> and intro
>> >> >>> boook, etc.
>> >> >>>
>> >> >>> Someone directed me to a new board this week which...is not
>> >> really what
>> >> >>> I
>> >> >>> need here, but is unbelievable. It is basically a computer
>> >> which runs
>> >> >>> linux in the same configuration with massive inputs and
>> >> outputs. It is
>> >> >>> called the Raspberry and is ....$35. !!!!!
>> >> >>>
>> >> >>> http://www.alliedelec.com/lp/120626raso/
>> >> >>>
>> >> >>> Back to the Arduino. I start with the "Uno" which is a
>> >> prototyping
>> >> >>> board:
>> >> >>>
>> >> >>> http://arduino.cc/en/Main/arduinoBoardUno
>> >> >>>
>> >> >>> It has 14 digital input/output pins and 6 analog input output
>> >> pins. I
>> >> >>> work
>> >> >>> out the logistics with the prototyping board then move to a
>> >> more solid
>> >> >>> solution.
>> >> >>>
>> >> >>> I have circuit boards made for the NANO which is pretty much
>> >> the same
>> >> >>> thing except it is designed to be soldered on a board:
>> >> >>>
>> >> >>>
>> >> >>> http://arduino.cc/en/Main/arduinoBoardNano
>> >> >>>
>> >> >>> The circuit boards I have made are designed to hook up the
>> >> things I need
>> >> >>> such as a voltage converter to take the voltage from 12v to
>> 5,
>> >> sockets
>> >> >>> for thermocouple chips, encoder counters, pull up/down
>> >> resisters, mods
>> >> >>> etc. It is a flexible circuit in which I am on my 3rd
>> rendition.
>> >> >>>
>> >> >>> The encoder itself is not hard but the timing can be tricky.
>> >> The encoder
>> >> >>> has 2 LED emitters/detectors. They are staggered 1/2 wave.
>> The
>> >> logic is
>> >> >>> to
>> >> >>> read the separate waves. If both are high and one goes low,
>> >> you know
>> >> >>> which
>> >> >>> direction it is moving. Each move provides a count.
>> >> >>>
>> >> >>> The tricky spot is timing. If you are doing things in the
>> >> program when
>> >> >>> the
>> >> >>> count comes across, you will miss it. A separate chip is used
>> >> to take
>> >> >>> care
>> >> >>> of the logic. It is a very simple chip which works well for
>> this
>> >> >>> application. It tags the Arduino on 2 pins. One pin is an
>> >> interrupt. It
>> >> >>> gives direction and count +/- 1. The interrupt is the key
>> >> because at
>> >> >>> every
>> >> >>> count it interrupts the program and updates the count so
>> >> nothing is
>> >> >>> missed. Works very well for this application.
>> >> >>>
>> >> >>> The arduino will also manage 8 servos on the heaterbox in a
>> >> constant
>> >> >>> loop.
>> >> >>> If an input condition has changed it will turn on the servo,
>> >> move it,
>> >> >>> and
>> >> >>> turn it off.
>> >> >>>
>> >> >>> There is a whole group of conditions going on in the turn
>> signal
>> >> >>> process.
>> >> >>> It will control each of the 4 turn signals and flashers via a
>> >> power
>> >> >>> mosfet. It has a few things to consider; position of the
>> >> wheel, are the
>> >> >>> flashers and turn signals on at the same time, are the lights
>> >> on (the
>> >> >>> front marker is both marker and turn signal), manual cancel,
>> >> etc.
>> >> >>>
>> >> >>> I can do creative things like make the front marker both a
>> >> turn signal
>> >> >>> and
>> >> >>> a marker. If flashers and turn signals are on, I will flash
>> >> 2x, turn
>> >> >>> signal 2x, flash 2x, etc. If I leave the turn signal on for 5
>> >> min, turn
>> >> >>> them off. Things like that.
>> >> >>>
>> >> >>> he left is the prototype. The right is the actual column. You
>> >> are seeing
>> >> >>> the bottom of the column:
>> >> >>>
>> >> >>> http://www.rc-tech.net/cars2/panttransam/turn/turn3.jpg
>> >> >>>
>> >> >>> I have been working through the learning curve on the
>> >> prototype. This
>> >> >>> involves making a lot of mistakes, figuring out what I have
>> >> done and
>> >> >>> getting it right. A soldered board is so much better when
>> done
>> >> right the
>> >> >>> first time. As I get parts nailed down, I hope to begin
>> putting
>> >> it
>> >> >>> together in the car Sunday with some finish wiring. So much
>> >> still to do.
>> >> >>>
>> >> >>> The mile stone for me was getting the encoder to read
>> reliably
>> >> without
>> >> >>> error which I have done. That above all was the hardest part.
>> >> The rest
>> >> >>> is
>> >> >>> just logistics.
>> >> >>>
>> >> >>>
>> >> >>> Gary
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>>> On Fri, Jan 11, 2013 at 2:51 PM, <gow2 at rc-tech.net
>> >> <mailto:gow2 at rc-tech.net>> wrote:
>> >> >>>>
>> >> >>>>> Here are some parts being used to build the encoder based
>> turn
>> >> >>> signal:
>> >> >>>>> http://www.rc-tech.net/cars2/panttransam/turn/turn.jpg
>> >> >>>>>
>> >> >>>>> _______________________________________________
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>> >>
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