 What is Lady Aida? Hey everybody welcome to show and tell it's me Lady Aida with me Mr. Lady Aida me with hiccups. We're here at the Aidaford factory in downtown Manhattan Where we do all our kidding electronics manufacturing goodies I know that sometimes we have JP or no in Pedro or Liz or others help run the show on top But yeah, now we're back to the OG's Mr. And Mrs. Lady Aida and we've got about 25 minutes of fun robotics visitors Videos and more. Yeah, check it with people from around the maker hacker engineering community We also have got a live video with this kitty that we're gonna play at the end But let's kick it off. We got all sorts of good stuff So every single week 7 30 p.m. We do the show and tell and we're trying to do even more with this either Notice there's more hosts. We have J Did you keys coming up and then we have a pre-recorded one that we're putting in because of a different time zone thing So we're trying all sorts of new things, but let's first kick it off with J Well, thanks, you know, I try you know, I moisturize a lot I Came to show off my newest low wearable name fur Stanford facial recognition robot just FRR But it's one special because it's built pretty much like I did Helen but this time I made it a lot smaller and decided to put it in a standing back It's a lot more portable than how Helen was and the bad part about it doesn't have any sound good part about it I was able to mess around with the coat of it and get it to look around a lot more and actually follows people when it sees people now So I'm actually going out tomorrow to test it out in the field in my favorite coffee shop So I'm trying to I'm hoping to get some content out of that see how people are gonna react to them Okay, I've got a quick quiz question. So what's your favorite did you keep part that you used in this robot? My favorite did you keep parts of servos? Servos, you know, you got like you get like the server get pricey. So you got like the hookup You're sad. Yeah, like that's the most part that I use constantly are servos out of all the microcontrollers and everything So I'm kind of like my my need other than my three printers So the servos are like, okay, did you keep product? I've been using it a lot All right Well, when you get a chance drop the row in the chat and we'll share it with others because I think everyone wants to know Your favorite servos because you know servos like nobody else Probably that's blown half of them up. Okay, sure. All right. I like your strategy There's a part shortage and you have, you know, a pretty expensive robotics have it, you know, what work for did you Yeah, it's good. All right, Jay. Well, thanks so much and keep coming back I'm glad to see you and it's cool to see the robot evolve. Yeah I P what you got going on this week Hey, I kind of want to go the other way and build a really big robot and sit on its shoulder and go like this all day long Yeah, I want a big robot that just comes along and picks you up and hugs you and then put you down like nothing's like nothing's Happening just then leased them in cities and they just pick you up and hug you and then release you back And that's it didn't like you'll have to tell your friends like yeah, I'm sorry Land I just got a hug a robot. Anyways, hug bot. Let's see idea So I'm working on these little video nub shanks In fact, I can hold one up right there. So these are a little ESP 32 Pico Which is kind of the original ESP 32 architecture and they have a neat trick That's been figured out by a few super clever people on using the 8-bit DAX to generate analog composite video signals So if I take this one and plug it in over here, you'll be able to see it better to this TV I'm just going into the composite video input and changing my channel to TV so this is this really cool 8-bit dolly clock that I've shown before but now I've got it in this Super great little package that has the bff for wire for battery charging So I don't need to power that but I can charge it later And then I've also worked on Lady Aida's request on a second version of this that generates an ntsc Test pattern, which is really useful when you're trying to calibrate a television Figure out the geometry of it and move the picture around and maybe you can talk about some of the other Display uses you have a little more but Constantly testing stuff and it's like generating an ntsc image or pal image. It's like unless you have an old xbox It's not that easy to just like create an ntsc test pattern and what I like here is it's got the colors And then it's also got the text and the text will let you really know if you're getting a good clear image I know like the raspberry pi can do ntsc, but I'm always reusing my raspberry pies and I forget which one has the I wanted like a little thing that was like This always has a test pattern on it can plug it in. I always know. Yeah, it's a few bucks I mean, I can't remember what we what that that cutie pie cost but cutie pie plus bff you can use usb and get rid of the bff and the battery if you want but We've we've got just a few parts that that are needed to Put any video you want on there and I've just put out a guide on this I linked to a few of the projects that led to this they would pretty much all run here the project The guide right now has the Clock on there I'm going to add a thing about the ntsc And then if you go to some of the other pages you can do some eight bit games and other art projects with them So pretty fun little little video nub there video nub Video nub he's my best friend. He's a video nub. Yeah, see you you're a black cartoon too I loved that song video nub And the cereal was terrible, but the kids version of video drone Yeah, I mean the tie-in cereal was a little bit weird, but yeah the action figures are nice though So uh jp, you have a shittmer, right? I do I'll be uh showing some Other stuff actually a continuation of this uh some this eight by eight neotral stuff. I've now got uh a feather rp2040 running on here We we have usually been using a feather m4 in these projects, but you know how m4s are these days They're pretty rare. Uh, so I've uh got this going on rp2040 instead, which is a more plentiful, but super capable chip So I'll show that and some other stuff. So please stop by Thanks so much jp and see you tomorrow All right next uh new Pedro what you got printed this week Hey, guys. Hey, what's the folks? Yeah, so uh pt You gave me a little assignment to check out this cool new app called camo to try to turn our iphone into an overhead camera And it works beautifully You don't have to go around and like click around in that The name of that app that like Yeah, the webcam settings one So definitely a good replace. Oh, it's great. Like the overhead that you have get that linux get one that runs I away if you have an old iphone like people who upgrade they by now they might have an old iphone 5 The app apparently they worked with apple and it just shows up as a native web camera So that's the man was like what is so cool the quick time can do that you can you know Select stream through iphone the cool thing about it is that it's not doing a screencast So you don't have all those annoying notifications. You don't have the ui getting all in you know everywhere It's like now i'm a camera Just the camera yeah, and you can have like adjust all of your settings So you can switch to what camera you're uh focusing on and do all the resolution and all that stuff So lots of like features in there But the main thing that um, we also ancillary stuff to mount it You notice that people were like using a bunch of lego parts to try to mount it to displays and to laptop So of course we 3d modeled some nice little lego parts that um, you know, unfortunately with all the new laptops They have like that notch so some of the old ones that we had made before you know goes completely obstructing it So like the um, there's the dot whatever sensors that are on there So nice little um little notch cut away So it will not obstruct any of that And uh, we had to get a pc laptop to like do some testing for this project here And it works perfectly in that as well. So windows mac and uh the uh lego pieces also work on that So different like parametric so you can just type in what the thickness is and we'll update that And then the other thing was making a little 2 by 3 of having a the three fourths with a quarter 20 on there So you can use all of our um, little 20 to 20 uh parts that we have in the shop to build your own little camera Try odd little adapter thingy. Oh, here's one There you go there and that just has the built in threads. This is the combo of the two things that you love the most Right So a bunch of like get like the lego camera bits. We have all that in the shops. You can build own little holder so cool way to uh upgrade your casting camera Nice. All right, and uh, we'll be playing these videos and more on ask an engineer. Thank you so much Dan Pedro All right next uh, hey scott Hello You got going on. Is this your first show and tell since you've been back. No, it can't be no I showed the kiddo off. Yeah um, this is the me showing something that I got distracted doing but I've been um trying to understand All of the data that is in a circuit pipe on binary because if you can figure out data that you don't need Um, you can make the binary smaller, which is a constant challenge for us um And so I was doing some graph visualizations Which I should probably render because they are cool looking even though I've not found them super helpful Um, but the other thing that's really common for understanding like where space goes is called uh tree map Um, and so I actually yesterday I was just like why isn't there an easy tree map viewer if I could just like spit out some jason file and just View it how cool would that be so I mashed two examples? I found together and didn't have a whole whole lot of luck yesterday But I got working this morning so you can now go to tree map dot dev And I'll just drag a jason file over here and drop it and this is the circuit python bubble Uh repository not that bundle itself So you can see like how much space my git directory is using 196 megs or so I can click here for libraries and now it switches between drivers and helpers And then within drivers we can see circuit playground versus clue b and o 0 5 5 I kind of this looks like winter stat, but for Yeah, yeah, it's very common to that And then docs and then so you can it's a great way to Kind of dig into what you're looking at and why something is so large. You can see that there's a picture that's 18 megs Which is why that's so large shouldn't actually be in the bundle proper though um, so I thought that was kind of just a like neat tool and now I'm Uh, now I've got something that I can just generate, you know, write a bit of python code and generate this and then just use this to visualize what I'm dealing with I do I do like the winter stat style for exploring sizes. It's definitely like when my computer is like, where is the space going? Yeah, it is like, oh my god There's like two log files that are somehow got up to like 18 gigabytes because like, you know I've had this computer for nine years and it just has appended every day, you know Um, and it's really easy to to delete stuff and and you know, that way you're not wasting your time like Chasing after one k2k here where you can find like now. There's There's a chunky juicy fluffy Section that I can just Yeah, totally. So so what I just added that I was just doing during the meeting earlier I was I wrote a simple python script that you can just give it a directory and it will Generate this uh json for you so that you can just drag it here So anywhere on your computer, you could generate it. Um, the json that you drag over doesn't leave your computer. It just is all java script Which is cool, too. All right. All right. Well, thank you so much. I'm looking I'm looking forward to one day when our python On hardware devices can uh self run a treemap.dev I do not want to get into browser development. Yeah, you you couldn't pay me enough To do browser development But you do want to write an IDE so I don't know. I don't really know what it's true. Yeah All right. Well, check out treemap.dev and thank you so much Scott for sharing this. Thank you for letting me wonder Wanders the trees. All right next up. We're going to go to lis and then joey that I'm going to play Kitty's video. Liz what you got going on? How's it going? Uh this week I worked on this uh traffic light wearable And so if you press this little button on the side It changes the color Of the traffic light and you can use that to let people know How much interaction you want to have if you're at a convention or a meeting something like that? Um, the one thing that I was like really into with this is I used Like diorama plants and grass on the side. Um, and it came out. Um a lot nicer than I thought I was I was worried with this. So it would look um, kind of silly. I want to avoid that obviously. Um, so but I really like The diorama stuff. Yeah Yeah, remember when we talked about that I also thought I'm like, well, maybe I was a bad suggestion because it might look silly But it looks really good. Um, I'll say your your your close-up camera looks really good as well So good work on on that Thanks. Yeah, uh, so there's a guide on this um and a quick one minute video as well Um, we'll show that on the show. Yeah, we're gonna show that uh tonight and then uh, Folks can learn how to make this and more and we also have the little traffic lights in the store to make your own little wearable Uh traffic light device. Yes. All right. Thanks. Thanks. Liz. All right, joey. What you get going on? Welcome back Howdy y'all Yeah, uh, so I've been working on a feather wing that actually stems from a desk of lady eta from a few months ago I suppose I've been doing a lot of lcd stuff with the watch and lady eta was talking about the bu 9796 which is an lcd driver chip And I thought like I'd like to build a feather wing that has an lcd on it And so it's now allowed me to build this little lcd feather wing which uh These lcds are great like low power displays. You've got like, you know tfts and oleds and such But this is just like the whole wing like draws like 10 microamps. It's just really amazing And this is using circuit pipe on deep sleep to uh, press the button here Do a display so it's in deep sleep here and then I'm going to press the button and have my temperature and My relative humidity display. I mean, I love it. Thank you Yeah, it was this was fun because I actually had it I designed it myself and I had someone lcd fabricator put it together for me and uh, Yeah, so it's it's a really kind of custom Gadget, I'm just gonna like kind of mind if I share my desktop really quick. Yeah, go for it. I love the little moon That's not I was like, I was like, how'd you get that moon on there? It makes sense. It's custom Yeah, the other so I um, I ended up Is that shared? Yep. There we go Yes, I ended up putting in you can kind of see if I tilt it back here four icons on the left and a mpm and a battery on the right So there's just a lot of little possibilities here for different kinds of informational displays or you know Flash little arrows and you're like transferring data. So Yeah, and then um, this is a skill that I definitely learned from y'all I have built a tester because I'm hoping to make some of these and make them available on tendy so Yeah, this this tester was definitely something that y'all have a really good guide on building testers actually and these are the Pogo pins that y'all stock in the store Oh, but yeah, you just press down on the thing and you press the button recent and Great, there you go. Okay If people wonder why we do these guys and everything this is why Exactly I learned I learned so much and I'm able to like now make a product and it's yeah also saves you a lot of time For sure And I feel like if you know if we're all doing this one of the things that we can do is save each other time Like if we learn something it doesn't diminish our Uh product line or anything if we teach someone else to to do testers and and get further ahead So we should share that as well I'm psyched that like it was like yes like guides and videos that we did have inspired someone to make a product And you're going to sell it. I think it's going to be really popular and yeah, it's gonna be cool We'll stock it in a fruit too and it's like this is so cool like yeah Because I got thinking about I got the lcd. I was like man like you can drive it with a chip But I bet there's like an off-the-shelf thing that does it and then I was on digit key He was like, oh yeah, look this chip is really nice like and you know, they're the kind of I love chips Like you don't hear about them and yet, you know, they want everything and every car and every toaster silently Like turning on enough segments for you and and I like the data even mentions like fax machines like of course I know but yeah, and it's like we don't think about it, but it's true. Um, so good work Okay, Joey, we'll keep coming back and you have our contact info If and when you want us to order some up put them in the native restore We'll do that as well Thanks so much y'all. All right All right. Now we're going to beam in past me and past kitty She's a physicist, so I think I could pull this off. You can see kids kitty through new through neutrinos And tachyons, um, but we did a video recording on saturday morning because of the time zones and I said Oh, I'll just play it live on ask an engineer. So let's do that At Now All right. Hello kitty. How are you? Hello kitty. Good to see you. Okay. You're um pretty well known maker We actually uh stock one of the things that you make in the store It's kitty flowers pair of bluetooth wearable roaches are by physicists. Tell us a little bit about it and then what you're up to Yeah, thank you so much for having me on Yes, as pity just showed on the screen. These are the Bluetooth flowers. It comes as a pair So they are actually connected through bluetooth. That's why it's called the bluetooth flowers I'm just turning them on right now Okay We zoom see on to the flowers. Yeah So you can see on the front there are some very beautiful leds that decorate the flower and It actually the design come from my jewelry. I'm wearing my Drawing my painting on this outfit that actually match with these flowers And it comes as a pair if they can be connected on the back. You will see the bluetooth antenna and On the front, there's also a touch sensor. So you can program these flowers to interact You can show different Uh effects on the leds as you touch them And you can use the bluetooth to detect distance And also the back has uh, you can see the library Team motor here. So you can also program the Vibration to also react to the The bluetooth strength as well as the touching um, we also have a Accelerometer, it's probably small, but you can see it on the board here is uh, so Accelerometer you can use to program the interaction as well so the idea came from this Experience I had when I was a kid actually my mom told me when I was three I Had a little bit of memory of that but mostly her telling me that she almost lost me when she took me out shopping and she Just when she turned around she couldn't find me anywhere and she was So worried and was trying to look for me everywhere and she had the announcement in the store asking for me After a couple hours. She almost gave up. She saw she I was lost But then she saw like a little pair of feet On needs a giant coat And she opened it up. I was inside. I was playing hide-and-seek with her and I was giggling I found it funny, but it was devastating for her So it just stuck with that star stuck with me and uh, when I started building Some maker project. I always thought that what can I do to help that kind of situation? So I came out with these flowers If you look at the hexter.io projects, I had the open source process and I used the DF robots Bluetooth Beatles as my prototyping boards and then connected them with this functionality, but we then Worked together on designing these really nice boards So they are PCBs on the back. You can see the components, but on the front. They're very beautiful and decorative so then you can program them to interact between your loved ones When they are out of a factory setting those are basically doing what I was talking about the that scenario that's if You wear with your kit if they run off For more than two meters you can of course change the number But you can then get sense and your flower on you will start vibrating So no need to use the phone or track your kid or something But yeah All right Yeah, this is great. It's a beautiful story and I was thinking so it was raining yesterday Here and uh, well the rain is always raining, but that's what makes flowers You know grow and happen This was a story about loss and maybe something scary, but then it turned into Something beautiful now that people can be reminded of not only the story, but they could have something That's very special to them That's wearable and it's connected to another person which also makes it special all right, and so we stock these on avergot.com and they could just search for kitty or Flowers, but where else could people find out about your work and more because you do a lot of stuff in in addition to Bluetooth wearables Sure. Yeah This is part of the art by physicists collection. So that's my own fashion brand So the the outfit i'm wearing is also my design through that brand this is a special type of fashion tech that We also stock on the brand website is just my name kitty yang dot com So the brand is specializing in wearable tech and fashion tech. So you find all kinds of designs with my hand painting Printed digitally printed on the fabrics and there are also accessories that match with the outfits You can also find my work on haxter dial I have also quite a lot of open source projects there We did for these flowers. We did a holiday hack In december Last year during christmas. So a bunch of really cool makers got together like xlo Debra Amy the wd Helen lay we will go together moheave Jazz david Ginger so we yeah, we we've Did a live streaming of hacking these flowers and we came up with all kinds of really interesting ideas. So we had the I think it was moheave And tanya fish That's also thought about using them for detecting elderly falls So they can wear this using the accelerometer to detect any sudden Changes in the motion So that was a really nice application as well. I remember tanya also did something to count the The number of spoons Using these as 20 spoons you have left Yeah, you can you can touch the sensor to say i'll have one two three four five spoons, uh, alex uses to make Time use them as timers for breathing So you can have these leds show up And you hold your breath to control your breath Wait for the leds to go through a full circle and then Do another round of Breathing so those are really interesting ideas. I love seeing Yeah, all right Well, thank you so much we coordinated this because we're in different time zones and we wanted to have you on the show until so thank you so much kitty and Folks get and we have just a few left and we'll have some more later and check out all kitty's work and more Thank you so much Okay, that worked. All right. All right. So that's our show until for tonight everyone. Thank you so much for Joining us in being here. We'll see everyone next week 7 30 p.m every single wednesday That's the show until come I show and share your projects and thank you for making this the best happen hour every week every single week Ask an engineer start the two minutes