Infi Prop(Why have 8 cogs when you can have an infinit number of cogs)

mctrivia

The octoprop thread sponed this link

http://antipastohw.blogspot.com/2009/08/introducing-illuminato-x-machina.html

thought this would make a cool project to give away. I have started designing a 2"x2" board with a prop at the center to do this.

P0-P7, P16-P23 are taken for inter board communication. so what would you like for p8-p15 and p24-p27?

I was thinking spinstudio header on p8-p15 and p24-p27 leds on board.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

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Post Edited (mctrivia) : 9/29/2009 4:23:50 PM GMT

jazzed

Nice idea. One could have 4 serial channels per board for each side. Not all side pins would have to be used, so having all pins on DIN20s would be good. Need an EEPROM and PropPlug on pin bits P[noparse][[/noparse]28:31] and configurable RSTn and BOEn. Separate power connector and regulation or battery option would be useful. How would the clock work?

By the way, your Propmod1x1 board would also be good for this with optional connector stuffing ... the straight 100mil dual-row headers on the one I bought seem really big.

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--Steve

Propeller Tools

• Propalyzer: Propeller PC Logic Analyzer
• BMA: An on-chip PASM Debugger
• SPUD: Spin Source Level Debugger

mctrivia

On the 1x1 I am soon discontinuing the headers. Many don't want. Once I get some pogo pins will be able to test still.

Yes 4 io per side. Each square can be connected in any orientation even upside down.

There will be bad for header for programing. Will make compatible with prop clip. Soldering header will be option.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

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mctrivia

diagram shows side headers they are 7 pins on each side making 14 in total.

power traces will be 12-40volts with switching regulator to 3.3v(5v pin will not work on spin studio header)

clock will not be shared unfortunately.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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TreeLab

This flexible topology is elegant. Do you need to have any on-board identification so that the boards can know how to send information to another node? I am trying to imagine how the messaging would take place across the net without loosing this flexibility.

Why do you need so many channels between props? I would have thought that 1 TX/RX pair would suffice for each linked pair.

Cheers!
Paul Rowntree

Oldbitcollector (Jeff)

Wow..

My Propeller to Propeller Intercommunication question could not have come at a better time.

Now, if we could just get Chip to implement intercommunication expansion in the PropII, we
could create gizmo's like this and never need a PropIII. (Hmmm.. might be bad for Parallax)

Can we keep these simple and inexpensive? Prop/Crystal/connectors on each board?

OBC

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mctrivia

1 would do but 4 wires allows faster transfer.

Would identification be needed? depends on what you want to do with it. names and locations could be automatically identified by network protocols or they could be individually named in eeprom and comunication could be done by mac address.

Almost limitless capabilities.

Assuming 80% efficiency from 12V to 5V

then
ib=0.96V/n
ib=module max current
V=input voltage(12 to 40V)
n=number of modules

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

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mctrivia

these will not be that expensive.

Crystal
EEPROM
Prop
power supply
headers
leds.


quick estimates look at a cost of $30-40 each unasembled.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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mctrivia

to lower cost even more if using less then 20 modules depending on power draw the power supply does not need to be assembled.


with no power supply and 3.3V input then
ib=6/n

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

Need to upload large images or movies for use in the forum. you can do so at uploader.propmodule.com for free.

Roger Lee

@OBC

>Now, if we could just get Chip to implement intercommunication expansion in the PropII, we
>could create gizmo's like this and never need a PropIII. (Hmmm.. might be bad for Parallax)

Do you think those worms will fit back in the can...

1) when PropIII...
2) how much memory PropIII...
3) 512 vs 1024 I/O pins ...
.
.
.

Don't laugh, you know it'll happen.

Roger

Oldbitcollector (Jeff)

@Roger,

Actually, when Chip asked me how much memory would be useful in PropII, my
reply was "It doesn't matter how much you put in, we'll all be begging for more in a week."

Human nature I guess... [noparse]:)[/noparse]

OBC

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mctrivia

that is acurate estimate if not populating power supply.

for power I can handle 6A max for the whole grid. with the switching power supplies that is a lot

at 40V 128 modules can draw 300mA each

without the power supply still 20 modules can be powered at 300mA each.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

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kwinn

Any chance this could be stacked as well?

mctrivia

i see no reason why not.

could be stacked 2 high if i forgo the on board leds.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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mctrivia

would anyone want a 5v power rail? parts cost is only $1.6 more efficiency on 3.3V rail though would go from 80% to 60%

need to pick one or the other:
ib=0.96V/n - is actually formula for with 5v rail
ib=1.45V/n - is formula without 5v rail
ib max is 500mA

Always an option
ib=6/n - without module power supply


so the question is:

5v and 3.3V which allows use of all spinstudio modules but has a max reasonable module limit of 384 modules(100mA each)

or

3.3V which allows many of spinstudio modules and has a max reasonable module limit of 580 modules(100mA each)

of course limit of modules is only to the number that can be run using 1 common power source. if you split up the grid into 300 module blocks and connect each blocks data lines together but not power than an infinit number of modules could be used.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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mctrivia

the modules i have that use 5v are:
vga, servo, and ps2. I am thinking it is best to take sacrifice in efficiency to be able to keep these especially servo.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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mctrivia

almost done. want to move eeprom and add large storage caps to main 12v rail.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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Timmoore

How about a pullup on the SCL pin as well as the SDA pin?

mctrivia

Not really needed but can do

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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Timmoore

Its not needed for the eeprom but for other I2C devices it often is needed.

mctrivia

as I said will add.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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mctrivia

here is the parts list. both files contain same data. Just in different formats.

1 of the 2 power supply options is needed.


PCB can be made in panels of 35 for $140(Electrical tested and ROHS compliant) costs an extra $20 if you were to want boards a cool black colour.

I will release gerbers tomorrow so people can get made if they like. I will get a batch made if people want and sell PCB for $10 each.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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Bill Henning

Nice work! Should help with the DIP shortage...

mctrivia said...
almost done. want to move eeprom and add large storage caps to main 12v rail.

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Please use mikronauts _at_ gmail _dot_ com to contact me off-forum, my PM is almost totally full
Morpheus & Mem+dual Prop SBC w/ 512KB kit $119.95, 2MB memory IO board kit $89.95, both kits $189.95
www.mikronauts.com - my site 6.250MHz custom Crystals for running Propellers at 100MHz
Las - Large model assembler for the Propeller Largos - a feature full nano operating system for the Propeller

Timmoore

Any possiblity of routing P24-P27 to the 2x10pin header?

mctrivia

Not and keep spin studio compatible.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

Need to upload large images or movies for use in the forum. you can do so at uploader.propmodule.com for free.

mctrivia

even though the simulation is bad. simulations are cool so here is one.

I am tired so will finish this up tomorow morning.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

Need to upload large images or movies for use in the forum. you can do so at uploader.propmodule.com for free.

Oldbitcollector (Jeff)

Missed that SpinStudio connector.. Love it!

OBC

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New to the Propeller?

Visit the: The Propeller Pages @ Warranty Void.

Timmoore

mctrivia said...
Not and keep spin studio compatible.

What about using some of the unused pins on the spin studio connector? The daughter boards dont use them but they are available if you need them.

mctrivia

That is a good point. I have most of the modules will check if the pins are truly not connected.

Probably can't without going to 4 layers but will try.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

Need to upload large images or movies for use in the forum. you can do so at uploader.propmodule.com for free.

mctrivia

OK here are the cad files in both eagle and Gerber. You may use it in any project you like in any way you like so long as you give me credit by placing my url on the board. I ask for no royalties or fees for its use but if you do make a lot of money off it donations are appreciated via paypal(squarerootofnegativeone@gmail.com )

The board has been designed for minimal part cost and easy hand assembly. If more then 10 people would like me to make boards up I will get them made up and provide bare ROHS compliant PCBs for $10 each.





Legal Stuff:
THE DESIGNS IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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mctrivia

Without going to 4 layers i could not connect extra 4 pins to header. i did however make sure there was easy solder pads available for all 4 on the board.

There is a minor error on the schematic. LEDs are shown backwards. This does not effect PCB layout so it was not changed.

I will make up assembly instructions later today.

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propmod_us and propmod_1x1 are in stock. Only $30. PCB available for $5

Want to make projects and have Gadget Gangster sell them for you? propmod-us_ps_sd and propmod-1x1 are now available for use in your Gadget Gangster Projects.

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