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Max do you have anything new going on with your teletype ?
Rookie

@max;  I forgot  "I have a lovely bunch of coconuts..."

Get you all singing it all day now.

 

Blogger

@max; well actually one walks inside.  The only musical instrument you can walk into.  Which is why you never hear "A pipe organ walks into a bar..."

Blogger

@Adam: ...do not foroget my Zynq blogs ;)

They are ever on my mind -- at the top of my "list of things to do" making me feel guilty

@crusty: washing up the plates is now my task

So Mrs Crusty and friends drank the wine, now you have to do the washing up?

By max and do not foroget my Zynq blogs ;)

Blogger

@sheepdoll: I see it is time to go crawl back inside a pipe organ

If I had a coconut for everytime I've heard that...

Bye everyone -- be good -- be safe -- and drink lots of beer!

I see it is time to go crawl back inside a pipe organ. 

Good chatting with you all again.

Blogger

@All Bye washing up the plates is now my task

CEO

@Aeroengineer: ...are any of the ones /i sent you on your docket for today?

They were on the docket for wed and thur ... but I'm so far behind ... I'll post them just as soon as I can ...

Good chatting today. Bye all

Blogger

If the inhabitents of this kepler 186f have gravetational lens telescopes using star for lenses, they should just about now be watching the Shakespear plays in the original format.

Blogger

@Crusty: I thought the beany propellor hat had some hidden qualities faster than light?

The main think about the wireless networked propeller beanies is that they make you look so cool (that's what I keep telling myself LOL)

@all great fun Max make sure UBM keep this going

CEO

@ Max, are any of the ones /i sent you on your docket for today?

Blogger

Ah, well. Company interview to go to. Nice chatting all.

CEO

@Rich: I thought you crashed that scooter...

I have good insurance -- they paid for a one year more recent replacement model

@Max : I thought the beany propellor hat had some hidden qualities faster than light?

CEO

OK Chaps and Chappesses ... I feel another blog coming on (plus I want to go and get myself a cup of that fresh coffee that i put on just before we started this chat)

I'm going to sign off

I hope you all have a WONDERFUL weekend

Keep on reading my blogs to see what's going on with my projects -- and email me about yours -- we can post columns on those also

Duane -- when will you have my Robot Avatar ready for me? (I'll be happy to drive over to Oregon to pick it up :-)

@Max, I thought you crashed that scooter...

CEO

@Max. Ah, ok. Strips. That throws my idea out the window.

CEO

@RichQ :Fast cars and slow horse dad told me about them. Found out that Horology as a hobby was no good for getting time dilation.

CEO

@Crusty @Rich: All you need is a really, really fast car...

You can borrow my space scooter if you wish

@Crusty At 99.999% the speed of light you should be able to get there in your lifetime (due to time dialation, so not our lifetimes). All you need is a really, really fast car...

CEO

@javi have a great weekend

Blogger

@Rich: why not just dip the LED into acetone, which would soften the plastic, and press it against a cloth or something to roughen the exterior? It will diffuse the light quite nicely, I should imagine.

I'm using Adafruit's NeoPixel Strips -- the main reason for putting a 1cm diameter disk of tranclucent film in front of them is to make it look cool, even when it's turned off

@Max,  You mean my freinds at SETI have identified a possible earth like planet.  Not at Seti today ;(  I was reading the article before this.  450 years away 10 percent larger.  Probably another neptune super earth.

Blogger

Rich - I saw that. Very cool

Blogger

@Max, See if you can have the leds beadblasted.  It will frostthe exterior and can be done in batches

Blogger

Guys and gals, I'm afraid I should leave you now. My daughter is waiting for her dinner ;-)

Blogger

Breaking news : how many life times to see what i bought?

CEO

BREAKING NEWS -- they've found an Earth-like Planet

 

Quick, buy real estate before it's all gone.

CEO

@Javier, tell me about it, and there is not much liturature out there about it.  I would be happy with even 100 steps of resulution of a .001s signal

Blogger

@Max hope its leaders arre more sensible than here ;)

Blogger

@Max, why not just dip the LED into acetone, which would soften the plastic, and press it against a cloth or something to roughen the exterior? It will diffuse the light quite nicely, I should imagine.

CEO

@Rich, I will send you an email.  I am sure that it will form the basis of a post here in the future

Blogger

@Controlfreak: Max, when looking at your display panel, I somehow envision the LEDs having those jeweled lenses that were originally used on 1960's era panel lights. I think Dialight was the most prominent supplier. Have you considered using anything like that for the "vintage factor"?

If you check out my Inamorata Prognostication Engine project, you will see that there I have my LEDs behind mother-of-pearl "dots" -- these look really amazing, but they aren't cheap.

For the BADASS display, as I said before, I'm trying to get a similar look and feel using cheaper materials. My current plan is to cover eac hled with a piece of white translucent film -- and surround it with a brass washer (aged to look antique) -- I'm going to be creating a paper/card mock-up thsi weekend -- watch for Part 4 ...

@javi yes it is but it coud be fun 

Blogger

@Adam: aahhh... now I understand what you want -- and this is pretty hard ;-)

Blogger

At Aero it is support ny linux, Win, Andriod and I think OSX

Blogger

@aero, guess I just don't understand what you are trying to do. You have my email. We can discuss offline if you like.

CEO

Is openCV easily ported across platforms?

Blogger

@aero, I'd have to do the math, but it seems to me that with 2MHz sampling rate you would have two samples to work with to get your desired resolution, and would need to determine the difference between a 10 KhZ and a 15 KHz single with samples a half microsecond apart. I would think they would be indistinguishable without a whole lot of bits of resolution, and any noise would certainly defeat you.

 

CEO

@javi initially I just want to do use the CPU for some simple experiments, longer term I am curious about the Zynq and open CV

Blogger

@Duane: What about using different colors for harmonics or overlapping frequencies?

If you look at Parts 1 and 2 of the BADASS Display project, you will see videos showing all sorts of ways of displaying the info. One of them had the different colors changing horisontally -- each frequency having a different color.

I also like the "peak hold" type where the top-most dot on a frequency column hangs for a moment and then slowly falls.

The great thing is that -- once youve extracted the spectum info -- you can play with all sorts of ways of displaying it -- that's the part I'm really looking forward to -- I'm hoping to bring this to EE Live 2015! to show it off...

@duane; The late owner of the hall collected radios.  The current owner has a hallway of cabnets like the one max used.  He would really like to get rid of them...  For some reason he liked phillips/magnavoxes or something like that.

Blogger

@Adam-Taylor: Do you plan to use ypur GPU or just the CPU? I ran some tests in Win7 by using Nvidia CUDA and they worked out-of-the-box. AFAIK, Nvidia is suplying an SDK that includes OpenCL and OpenCV support.

Blogger

@Duane, can you shoot me your ph number in an email.  Perhaps this weekend we can chat ideas for the PnP machine.

Blogger

Max - "1929 radio cabinet" I've got a 1929 Atwarer Kent radio - everything BUT the cabinet.

Blogger

I'm making the BADASS display look like a Victorian Steampunk item -- but unlike the Inamorata Prognostication Engine (which involves a 1929 wooden radio cabinet and real brass pannels), I'm making this out of things anyone can lay their hands on like pressed board made to look like brass

@Adam-Taylor: Does your computer mount a Nvidia GPU???

Blogger

Max, when looking at your display panel, I somehow envision the LEDs having those jeweled lenses that were originally used on 1960's era panel lights. I think Dialight was the most prominent supplier. Have you considered using anything like that for the "vintage factor"?

Rookie

@Rich, Sampling rate will be around 1MS/s, but can go higher, up to 2.4MS/s

Blogger

@Aeroengineer: I think I understand how PTS works after your explanation. It indeed is a FSK signal carrying a Pulse Width signal. I'll be waiting for your mail ;-)

Blogger

Max "one possibility is to divide the columns into four colored bands, as illustrated in (a) below. Another option is to keep the same bands but make the entire column the highest-amplitude color, as shown in"

What about using different colors for harmonics or overlapping frequencies?

Blogger

@controlfreak: The company now has a wb site and is shipping displays http://rgb-123.com/

Cool Beans (as we French say) -- I'll take a look later

@aero, you're looking for rmicosecond resolution on a modulation scheme that uses 10 khz/15khz as the indicators? That seems like it should violate some kind of law of physics. How quickly are you sampling the signals? 

CEO

Maintaining electronics, for music roll production is my day job.  We have a concert next week, and they want the playback working on the new organ by tuesday.

Blogger

Max - I hadn't seen part 3 yet, but I'll chek it out.

Blogger

Re the BADASS Display -- It struck me while I was writing Part 3 that driving the display is totally seperate from processing the audio stream to extract the spectrum data.

I'm well on the way with regard to the first part. In Part 3 I talk about several ways to extract the spectrum data -- analog -- digital in an MCU, and digital in a FPGA

Max, I was brosing Kickstarter yesterday and saw a reference to a project involving LED matrix displays. The company now has a wb site and is shipping displays http://rgb-123.com/

This may be applicable to your display.

Rookie

@Javier, I will shoot you an email on this later tonight, it may be after you go to sleep

Blogger

@duane: check out the you-tube video of a guy who wanted some sheet music.  Wrote a program to see the holes and convert it from the video.  I suspect it works similar to my scanner.  (which was and is a decade old open source hardware project.)

Blogger

@Duane : cutting blanks for music rolls is still done in a small resotration museaum in london.

CEO

@Javier, FSK is part of the PTM family

Blogger

@Max, I like the line from the film Carl Sagan's Contact, where the Howard/Hughes engineer says "In my day I was once a h** of an engineer once."

Blogger

Once the carrier is stripped out, there are going to be two remaining frequencies 10kHz and 15kHz.  One represents a binary high and the other the low.  I need to monitor the time the signal is either high or low, and I am looking to have .000001s resolution (I may have missed a 0in there).

 

I am thinking about passing it through a low pass filter, then doing a 64 point FFT with an overlapping moving window.  I will then have a threshold that I start a counter once a requency reaches a certain level.

Blogger

The music roll digitisaer is an awesome project. My grandfather had a player piano so I have some fond memories of that type of music.

Blogger

@Aeroengineer: Re PMT, it sounds pretty complex... I'm used to PSK, FSK and similar ones, but this is the first time I hear about PMT.

Blogger

Max "Duane is good at that stuff" might be a bit of an overstatment. I think "Duane is willing to regularly beat his head against the wall..." might be more accurate.

Blogger

@sheepdoll: Max Have you ever met an engineer/designer that can write a business plan?

A couple - they end up owning and running the companies I work for LOL

@Max : no all fed and now they are drinking the wine

CEO

@Crusty: @all Crusty returns

So you've given Mrs. Crusty the slip, eh?

@Max,  my co designer went on to be an imagineer.  He has a blog exactly how to do amusment design.  I'll PM the link to you.

As for topics to write about, I have a whole lot, that I want to share here...

Blogger

@Crusty: @all Crusty returns

Hail Crusty!

Pulsed Time Modulation.  It is a family of FM modulated schemes that includes PPM PWM and a few others

Blogger

@Rich: I have been out of the software development process for so long, I have trouble setting up and using the tools to start with. It's a learning curve I am frustrated with.

Ah ha! I knwo what you mean -- Duane is good at that stuff -- I like the Arduino IDE -- and I like "bare metal" programming without an operating system getting in the way -- "boys just want to light LEDs" as the old song should go...

@all Crusty returns

CEO

Aero Adam - I've been spending some time out on the production floor with our surface mount robots to stimulate my brain. I've come up with a few ideas.

Blogger

@Aeroengineer: What does PTM stand for?

Blogger

@Adam, get up to speen on OpenCV soon, we have a need for our PnP machine

Blogger

Adam, in which platform are you trying to run OpenCV?

Blogger

@All, any of you have any experience doing demodulations? I cannot find much on demoding the PTM type signals.  I think that I have a method that will work, but it may not be the most computationally efficient.

Blogger

Adam - I took a hiatus from my FPGA studies after APP ended, but I jumped back in not long ago to get ready for my beginner FPGA talk at EELive. I've now remembered how much fun they are and I seem to have forgotten a few of the bad habits I had. (not all, but a few)

Blogger

@sheepdoll: ...back when we did the ren fair a number of disney imagineers liked to play in the sandbox...

I woudl LOVE to spend a day with the Disney Imagineers questioning them about how they do things and achieve certain effects ... on the other hand, as I learn thsi stuff myself, it gives me topics to write about

@Javi that would be cool 

I am also trying to get open CV up and running that is proving more painful, terrible instructions 

Blogger

@Max yeah, they let us eat once a week, things have gotten better over the years ;)

Blogger

@Adam-Taylor: I'm just working in a major upgrade for Libre-FDATool. I hope I'll manage to upload the new version in a few days

Blogger

@Duane, I cannot wait to hear the update on the pnp machine.  I have had lots of ideas.  Thedps is because of the cortex M4 I am using.

Blogger

@Adam Taylor: Hi Adam How are you any ?

What sort of banter is this? You are making my head hurt!

It is best to do Digital SIgnal Processing in a FPGA Duane they really rock at it 

Blogger

@aeroengineer: The other Adam is in the house, sorry hada late lunch

You get lunch!!! Give me a break ... young engineers of today ... mutter mutter

Max Have you ever met an engineer/designer that can write a business plan?

Blogger

@Adam, no I have not.  I am trying to do some demodulating of apulse time modulation signal

Blogger

Adam - I'd love to get some time to leard to use DSPs, but I've got too many things rolling around in my hed as it is.

Blogger

@sheepdoll: You really have to have your ducks in a row and a practical business plan first.

The business part is my downfall -- I love technology, but i'm rubbish at stuff like finances and business plans and stuff.

Epa pa mi amigo como estas?

Blogger

glad to here it, DSP is fun 

I have been playing with the LibreFDA tool it is really nice, have you seen it ?

Blogger

@Rich: Max, what did you think of the process for getting onto kickstarter in the first place?

I thought it was really easy ... but then Duane did all of the work LOL ... he set up the project and took the photos -- I did the words ... also I linked up with my web guy to create our MDGalactic.com website ("Max & Duane Galactic Enterprises" -- we didn't want to restrict ourselves in the future LOL)

and I can see the live chat sessions are as buggy as ever.

Blogger

Doing well, racking my brains trying to figure out the dsp for my little receiver.

Blogger

@max, I have been out of the software development process for so long, I have trouble setting up and using the tools to start with. It's a learning curve I am frustrated with.

CEO

Hi other Adam. I bounce the disck-top pick and place idea out at my company. It's with the owner right now. I'll see him next week, so hopefully I'll get their blessing

Blogger

Hola Señor Carlson ;-)

Blogger

Max, back when we did the ren fair a number of disney imagineers liked to play in the sandbox.  I had to design buildings with slate style roofs as thatch would burn to easy.  The disney folk told me that they used the insulation from inside phone cables to simulate thatch.  Could never find enough phone cable stuff.  The mouse just gets it bulk from the distro. 

Blogger

Rich - It was a pretty interesting process. More complex than I was expecting though. I've got 20 years of experience running product financials, but it's been a few years so I'm a bit out of practice. Every time Max and I chatted about the project, one or the other of us would find some other factor we hadn't considered.

Blogger

Hi Adam How are you any ?

Blogger

@Rich: My projects have ben frustrating me,

How so?

The other Adam is in the house, sorry hada late lunch

Blogger

@controlfreak: If the Kickstarter project fails, do you still plan to make the product available?

Duane and I are talking about this -- I woudl very much like to -- even if we just make the bare boards and tell folks where to get the connectors themselves

I think part of the Kickstarter problem was me. I quoted the project out and did all of the financial calculations. We weren't in it to make a bunch of money - just some beer or dinner money for the families - but we didn't want to lose money. That meant I had to err a bit on the side of higher costs. It would be pretty easy to have conditions change a bit and and up needing to shell out a few thousand dollars out of pocket. That would be bad.

Blogger

@Garcia: What's the problem with the Proto-Shield?

No problem with the shield -- Duane hi susing his for his projects, I'm using mine for mine -- I coudl use a coupel more in fact -- but we don't seem to have enough other folks who want them

The Northern California Pirate fesival last year was Kickstarter done right.  Helps to have a 7+ year track record abd a subject people enjoy.  You really have to have your ducks in a row and a practical business plan first. 

 

Blogger

One thing I'm going to be practicing is how to age brass so it look really old. I've heard salt works ... or vinegar ... or putting the brass in an ammonia atmosphere -- maybe baking in an oven -- maybe a mix of all of these.

Also i've heard that the Disney Imagineers use cow manure -- Brian LaGrave lives about 40 miles away in the country -- he's going to bring me a bag the next time he's passing...

Max, what did you think of the process for getting onto kickstarter in the first place?

CEO

Controlfreak - Max and I would like to make the product available. We just have to figure out how.

Blogger

Duane that is a shame

Blogger

@Adam: Why max?

Why is the Kickstarter project crashing and burning? There are only a few days to go and we don;t have enough interest. No worries -- it was just for a laugh anyway, but it woudl have been nice to have succeeded

I think when a project is fustrating it is then called "work."  I was rather fustrated yesterday.  Things were working, but progress was not as fast as I wanted.

Blogger

The cost structure was such that that to make it affordable, the volumes had to be in the 300 - 500 range. That ended up making the goal too high. We've got $4,000 pleged, so that's something of an endorsement, but right not the numbers just don't add up right.

Blogger

@Adam-

Yep dropbox is a simple approach. Difficult to share across a wide user base however. I'm hoping to find a good infrastructure for many people to share designs with each other and allow collabrative expansion...

Blogger

My Pedagogical and Phantasmagorical Inamorata Prognostication Engine project is in full swing. As per my last blog (see link above), I have the brass panels back from the machine shop -- last weekend I built my prototyping test jig -- thsi weekend I'm going to mount all of the knobs and switches and meters.

Ah, that's the difference, Max. My projects have ben frustrating me, not relaxing me. No wonder I don't make time for them. Thanks for the insight!

CEO

If the Kickstarter project fails, do you still plan to make the product available?

Rookie

Github makes version contrrol easy.  Try it with in house proprietary software sometime.

Blogger

It does seem so, but hopefully we've learned enough to try again and end up sucessful.

Blogger

@Max: What's the problem with the Proto-Shield?

Blogger

DR FPGA I have done a few collabortive designs using Dropbox if the distribution list is small

 

Blogger

I'm afraid Duane and my Proto-Shield Kickstarter project looks like it's doomed for failure

So, my mini-robot that I showed in the Gadget smackdown will be a three board set: one for the sensors, one for the motor drive and one for the WiFi. I built the WiFi connector into the motor board, but I only have enough code space for one or the other.

Blogger

@All- Anyone have a good suggestion for a way to share designs thats user friendly? Github seems to complex for the new user to me...

Blogger

Hi SheepDoll -- great to see you here

I have plans for using the ada fruit pixels for a lighting system in my garden of the house I am buying

 

Blogger

Hi Rich. I know what you mean about no time to play with stuff -- but I make time because my hobby projects are how I relax.

First of all, I recently finished my Infinity Mirror project

@Max: you won't believe me, but I've not drunk any beer since I came back to Spain...

Blogger

I've discovered the limitations of the Arduino Leonard architecture. I like the Leonardo for my own boards because it doesn't require a second MCU for the USB interface, but it doesn't have enough left over FLASH.

Blogger

Seems like I found the right place.

 

Blogger

@Max- Were those aluminim? Thought they were titanium..

Blogger

dozen (although dozed seems appropriate also)

CEO

Hi Javi -- have you recovered from EE Live yet? I kept on telling you not to drink so much beer LOL

So who's working on what? I have about a dozed dev boards now (including a Beaglebone Black) but no time to play with them.

CEO

Hi DrFPGA -- we missed you at EE Live! Dod you see my Robot Apocalypse blog with the photos showing everyone wearing aluminum beanies?

@Crusty- Send us the 3D printer file so we can make burgers too.

Blogger

Javi Me too it was very nice to not worry about the alarm clock this morning 

Blogger

do we get burgers?

CEO

Max you had a vacation in san jose not two weeks ago ;)

Blogger

Fine Adam -- I'm on vacation today ;-)

Blogger

@all have to cook burgers, but will be back in about 30 minutes Have fun all

CEO

Hi controlfreak -- vacation? What's that? I hav eheard the term before, but not in the same sentence as my name for many years now (sad face)

In NW washington state here. Its a lovely day but I dont get a holiday.

CEO

Javi How are you ?

Blogger

Did you see my Best Booth at EE Live blog? I've now got one of those 7-foot "Max the Magnificent" posters printed out here in my office --it looks GREAT

Hi everyone- seems like old times...

Blogger

Oregon - home of the Silicon Rainforest.

Blogger

Good evening from Spain ;-)

Blogger

Hi everyone from Florida (on vacation from NY)

Rookie

Max yes I am and looking forward to it I can say

Blogger

Hi Duane (he's in Oregon)

I'm off today for the Easter holiday.

Blogger

Oooh -- a G & T .... I could so do with one

Adam -- I guess you are off Fri and Mon for the Easter Holidays -- Right?

Chestnut Ridge, NY --> USA

Rookie

Crusty - I'm dreading the day I have to move to Win8. Maybe by that time, they will have fixed it or moved on to Win9. I have to upgrade my daughter's PC and am going to buy Win7. I'd love to hear your thougts on 8 once you get used to it. My knowledge of it dates back to the pre-release candidates, so I'm out of date.

Blogger

Adam and Crusty are in the UK -- I'm in Huntsville Alabama (I moved here from England for the nightlife LOL)

I am just having A gin but it ia later in the day here

 

Blogger

Hi Hilaryl -- great to have you join us -- whereabout do you hail from (country .. state... whatever)

 

Coffee! Yes please......

 

Rookie

@Max I have found if you get the awful wrapper of windows 8 , it's just plain 7 under it, which is nice to use.  just getting Sigasi downloaded to it but in demo mode only can not afford the monthly cost foe full use.

CEO

Aorry for the delay in my response -- I was in the kitchen starting a new pot of coffee

I love Windows 7 ... better than XP and WAY BETTER than Vista

Windows 8 is a pain in the nether regions

I can't believe you're here already!!!

@Duane: Migrating my old progs and apps to the new Windows 8 portable what a pain, especially having to get new node locked licenses. All because I can no longer safely run XP connected to the net.

Still I have my Microduino and oled deiplay working now. Got the wrong I2C address at first which caused me some pain till I put a logic analyser on the I2C lines and read the slave address I was sending. Good kickstarter kit from Microduino but you need to be knowledgable to use it as the detailed info is difficult to dig from the Wiki web site.

 

 

CEO

I'm almost a hour early, but that's mostly because I couldn't remember the time and then was afraid I'd get busy and forget.

Blogger

I think I am an hour to early.

CEO

Our next live online chat will commence on Friday 18 April 2014 at 10:00 a.m. Pacific Time (1:00 p.m. Eastern Time). You'll have to work out your local time from these clues (you can always use this handy-dandy Time Zone Converter).

Your host will be Max Maxfield, and the topic of conversation will be anything and everything to do with everyone's electronic hobby projects.



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