[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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>> >>
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>> >
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