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Discussion Groups | Piclist | Watch Winder
A discussion group for the PICMicro microcontroller. Also called the Microchip PIC, this list is dedicated to the use and abuse of this fine, simple, microcontroller. Close to topic posts are welcome, ie. general electronics.
Watch Winder - Dave C - Jun 3 16:01:40 2006
Howdy:
I think I've come up with a project to help me learn programing and
use of the pic micro controllers. My wife bought me an automatic
watch
for our 22nd anniversy, needless to say this cannot be worn to work
because I would destroy it in short order, so I will be only wearing
it
in the evenings and speacial occassions, this will not keep it
properly
wound. The price of ready made auto winders is high enough to warrant
building my own.
Since this is a first time project for me I will need some help to
point me in the right direction. I do have a pickit 2 that I bought
several month ago and never got past the blinking LED stage. Below is
a
list that I've put together so far of what I need and need to do, to
make this work.
1. Servo motor from old junked printer or floppy drive(low current
type)
2. Old lazy susan turn table(with ball bearings)
3. Case to match decore of bed room(keep the wife happy)
4. Pic controller(smallest that will get the job done)
5. Servo driver(KISS)
6. Three modes
Off
Normal- Imitates the basic rotational movement of the wrist
(will need to go to the park or mall and watch people
for
a while to get a general idea of the type of movement,
slow, fast, random back and forth etc.. Hopfully I will
not get arrested for being some kind of a pervert, just
siting around watching peoples arm movement).
Fast- This will allow winding a new or old watch that has been
allowed to run down, as fast as possible without damage to
the watch mechanism.
7. Proper power supply(wall wart or battery or both)
Any other ideas out there and how I should implement them?
to unsubscribe, go to http://www.yahoogroups.com and follow the instructions
(You need to be a member of piclist -- send a blank email to piclist-subscribe@yahoogroups.com )
I think I've come up with a project to help me learn programing and
use of the pic micro controllers. My wife bought me an automatic
watch
for our 22nd anniversy, needless to say this cannot be worn to work
because I would destroy it in short order, so I will be only wearing
it
in the evenings and speacial occassions, this will not keep it
properly
wound. The price of ready made auto winders is high enough to warrant
building my own.
Since this is a first time project for me I will need some help to
point me in the right direction. I do have a pickit 2 that I bought
several month ago and never got past the blinking LED stage. Below is
a
list that I've put together so far of what I need and need to do, to
make this work.
1. Servo motor from old junked printer or floppy drive(low current
type)
2. Old lazy susan turn table(with ball bearings)
3. Case to match decore of bed room(keep the wife happy)
4. Pic controller(smallest that will get the job done)
5. Servo driver(KISS)
6. Three modes
Off
Normal- Imitates the basic rotational movement of the wrist
(will need to go to the park or mall and watch people
for
a while to get a general idea of the type of movement,
slow, fast, random back and forth etc.. Hopfully I will
not get arrested for being some kind of a pervert, just
siting around watching peoples arm movement).
Fast- This will allow winding a new or old watch that has been
allowed to run down, as fast as possible without damage to
the watch mechanism.
7. Proper power supply(wall wart or battery or both)
Any other ideas out there and how I should implement them?
to unsubscribe, go to http://www.yahoogroups.com and follow the instructions
(You need to be a member of piclist -- send a blank email to piclist-subscribe@yahoogroups.com )
Re: Watch Winder - rtstofer - Jun 3 18:21:44 2006
--- In p...@yahoogroups.com, "Dave C" wrote:
>
> Howdy:
> I think I've come up with a project to help me learn programing and
> use of the pic micro controllers. My wife bought me an automatic
> watch
> for our 22nd anniversy, needless to say this cannot be worn to work
> because I would destroy it in short order, so I will be only wearing
> it
> in the evenings and speacial occassions, this will not keep it
> properly
> wound. The price of ready made auto winders is high enough to warrant
> building my own.
> Since this is a first time project for me I will need some help to
> point me in the right direction. I do have a pickit 2 that I bought
> several month ago and never got past the blinking LED stage. Below is
> a
> list that I've put together so far of what I need and need to do, to
> make this work.
>
> 1. Servo motor from old junked printer or floppy drive(low current
> type)
Those are usually stepper motors, not at all the same as a servo.
Either will work but the electronics is different. Perhaps the
stepper is easier because you control position (and all movement) by
how fast you change the output pattern. Depending on the motor, it
will take 4 output pins. Unipolar motors will be easier to use. You
can find a lot of info on the Internet re: driving steppers.
An R/C servo is easy to deal with but you have to work quite a bit to
get control of the speed. You set the position by setting a pulse
width (1.0 to 1.5 (center) to 2.0 mS) repeating at 20 mS intervals.
The good thing about a servo is that it doesn't rotate and you can
just use bell cranks and piano wire to connect things together. It
will be a lot noisier that a stepper.
> 2. Old lazy susan turn table(with ball bearings)
> 3. Case to match decore of bed room(keep the wife happy)
> 4. Pic controller(smallest that will get the job done)
> 5. Servo driver(KISS)
> 6. Three modes
> Off
> Normal- Imitates the basic rotational movement of the wrist
> (will need to go to the park or mall and watch people
> for
> a while to get a general idea of the type of movement,
> slow, fast, random back and forth etc.. Hopfully I will
> not get arrested for being some kind of a pervert, just
> siting around watching peoples arm movement).
>
> Fast- This will allow winding a new or old watch that has been
> allowed to run down, as fast as possible without damage to
> the watch mechanism.
>
> 7. Proper power supply(wall wart or battery or both)
>
> Any other ideas out there and how I should implement them?
>
to unsubscribe, go to http://www.yahoogroups.com and follow the instructions
(You need to be a member of piclist -- send a blank email to piclist-subscribe@yahoogroups.com )
>
> Howdy:
> I think I've come up with a project to help me learn programing and
> use of the pic micro controllers. My wife bought me an automatic
> watch
> for our 22nd anniversy, needless to say this cannot be worn to work
> because I would destroy it in short order, so I will be only wearing
> it
> in the evenings and speacial occassions, this will not keep it
> properly
> wound. The price of ready made auto winders is high enough to warrant
> building my own.
> Since this is a first time project for me I will need some help to
> point me in the right direction. I do have a pickit 2 that I bought
> several month ago and never got past the blinking LED stage. Below is
> a
> list that I've put together so far of what I need and need to do, to
> make this work.
>
> 1. Servo motor from old junked printer or floppy drive(low current
> type)
Those are usually stepper motors, not at all the same as a servo.
Either will work but the electronics is different. Perhaps the
stepper is easier because you control position (and all movement) by
how fast you change the output pattern. Depending on the motor, it
will take 4 output pins. Unipolar motors will be easier to use. You
can find a lot of info on the Internet re: driving steppers.
An R/C servo is easy to deal with but you have to work quite a bit to
get control of the speed. You set the position by setting a pulse
width (1.0 to 1.5 (center) to 2.0 mS) repeating at 20 mS intervals.
The good thing about a servo is that it doesn't rotate and you can
just use bell cranks and piano wire to connect things together. It
will be a lot noisier that a stepper.
> 2. Old lazy susan turn table(with ball bearings)
> 3. Case to match decore of bed room(keep the wife happy)
> 4. Pic controller(smallest that will get the job done)
> 5. Servo driver(KISS)
> 6. Three modes
> Off
> Normal- Imitates the basic rotational movement of the wrist
> (will need to go to the park or mall and watch people
> for
> a while to get a general idea of the type of movement,
> slow, fast, random back and forth etc.. Hopfully I will
> not get arrested for being some kind of a pervert, just
> siting around watching peoples arm movement).
>
> Fast- This will allow winding a new or old watch that has been
> allowed to run down, as fast as possible without damage to
> the watch mechanism.
>
> 7. Proper power supply(wall wart or battery or both)
>
> Any other ideas out there and how I should implement them?
>
to unsubscribe, go to http://www.yahoogroups.com and follow the instructions
(You need to be a member of piclist -- send a blank email to piclist-subscribe@yahoogroups.com )