 From the vault out of the vault. All right. So tough secret. I'm just gonna a long weekend. Yeah I'm just gonna go through these pretty fast The video speaks for themselves first one is the UV stemma and then we're gonna Show a couple other things including upcoming cobbler accessory for the pie 400 then some Yeah, then some samples of some LED stuff and then we'll do coral and then we'll end with this coral thing For you this USB like dongle thing. Yeah, here we go. All right, lady. What is this? This is a sensor that I've been meaning to do for a bit. It's the LTR 390 UV sensor and I squared C UV sensor is highly desirable, but they keep getting discontinued This is the only one I've been able to find and I got some samples So put together a stem and QT board hooked up to my Metro mini and we've got this cool like UV Like safety like what's it called sanitizer sanitizer? Thank you I can do a try if they can't do words and then I'm gonna put this under here So there you go. That's now sensing and then on my computer. You can see the data is Really high because it's sensing UV data. The sensor could also do Ambient light, but what I really like is a stability to your box music go go down to zero put it back in the box Goes back up to a thousand. All right, you be sensing Hi, lady. What is this? Hey, it's a stem a Sunday. I'm putting together an HTU 31 D Stem a QT breakout. I just got these from Digikey some samples and It's kind of a standard package. So I actually got this on to an existing stem a QT design And just like just to get it up and running It does have a couple extra different pins that like a reset pin that isn't used here So I'm going to have to redesign this break out a little bit But just to get it up and running and have an Arduino library, which is what I did. So this is the TE H2 21 D so that can upgrade of the very popular HTU 21 D and You see here you can pick them up. They're about two bucks a piece from Digikey And if you'd like to check out our library, it's on github under Adafruit H2 31 D It's a nice little humidity temperature sensor over I squared C The cobbler 400 plays animated gifts at the Raspberry Pi 400. Yeah, I'm just testing out my little hat extender This is the cobbler 400 which lets you plug in any of our hats very easily into the pi 400 I just tested out the bonnet version of this. It's just kind of cute. It's a little Slim extendo thingy and that worked and so now I was like, well, let's try a high-speed gift playback You know, this is a lot of data moving really quickly So it's a good test to make sure that power and signals all coming through and then you sent me some fun gifts So this is Blinka. These are from the the pi portal. I'm a gift player and then you know cat gifts Classic people love cat gives He's a pretty cat Thank you data Hey, I'm working on our first accessory for the Raspberry Pi 400 This is called the cobbler 400 and it's a little thing that lets you use all of our bonnets Or if you want we also have a hat version and this is a hat for example We're gonna test out and it plugs into the back of the Raspberry Pi 400 and then just kind of like it brings It all up so you can plug in like your favorite bonnets and they just work So this is actually a circuit Python demo showing like your IP address It's just really handy honestly because I like to use the stuff headless and then here's how it plugs in and Since you know a lot of the PCB fabs are closed this week. I just had this milled on our other mill But so far it's working really great. I'm gonna try the hat next and maybe play some animated gifts Lots of lines Hey, I'm trying out some samples. It's a sample Saturday. These are chip on board LED strips So they're 12 volt LED strips with 320 LEDs per meter. You can see there They're all bonded onto this flexible strip. So they kind of look like a single pure LED strip and we put white LED versions of this with 480 or I think LEDs per meter. This is 320, but it comes in like green And it comes in like red and I got pink and blue and yellow So I'm gonna ask if they have the higher density version because I do like the higher density because the LEDs are less visible But from like a couple feet away. It looks pretty good Hey, I got some of these cool coral TPU chips like a Machining accelerator and a little like package. So I made a breakout and I thought I would use my hot air gun To maybe make a couple samples here The first thing you got to do is stencil paste onto the boards of a board underneath here And it's lined up perfectly and then you have to use your IEEE card. It's a requirement to Spread the paste on Let's see how it came out Nice, not too bad So I might do like two or three of these and then hot air them and then I'm gonna just try plugging them into my computer They should show up as a USB device And all of that leads to This yeah, well, I'm still playing around with this this chip. It's kind of interesting It's like a coral edge TPU, but it's on this like a little module And even though the module has like a bazillion pins on it like only about like 10 or so are used and it basically just shows up as a USB device and then you know for something like a Raspberry Pi it can speed up The computation of machine learning stuff I think it's really like a Raspberry Pi zero. This could be really great because What the pie for because both are You know, you can connect hardware and displays and cameras, but it doesn't have an AI Core processors this would be like a USB connected core processor and I like the idea of having it on a USB stick that you just like plug Into your pi 400 or your pi zero and like now it's you know It can do machine learning as fast as you know in an optimized NVIDIA device So we'll see I'm gonna send out these prototypes and the power supply is the kind of the tricky part here The chip itself is very simple. It's like again only like 10 pins are connected But the power supply can draw three amps That's a lot for for a little thing that connects to USB So hopefully the power supply can be nice stable do some measurements That's not a secret. Okay going back in the vault All right