 So, hi everyone, as you have known, I'm not here in Singapore very often and most twice a year, right? So this time when I'm back, I just try to give myself a bench. I was a target to do three talks. So yeah, that's why there's like one in the previous one and two over here. I try to do in other events as well, but then sometimes the other events because of Chinese New Year, so they didn't really actually have hold the event. I think here's a very good audience because generally my speciality is more in hardware in terms of hacking, building quick prototypes, etc. So one of the things that recently has been more, how would I say, something I'm a bit more focused on, is things that are related to the elderly, right? Because what happens is that very often there are many friends, right? Friends will keep asking me, you know, like, how can I communicate with my parents, my elderly, or some people say, how can my parents or whatever call me, right? And typically it's because these people realize that there's a large number of these people who are not very familiar with modern technology, right? As much as you have like all your advanced iPhones, your thousand dollar iPhone X, it still doesn't solve the real problem today where people who are just not used to such things, you know, they just don't know how to use it, right? Regardless how much advanced things you give to them. And when we take a look at the existing stuff we have out there, there's very little products or solutions that are designed for such use cases, right? Or even if there is, for some reason, it doesn't seem to be very widely adopted. Many of my friends, you know, they're still asking me repeatedly the same questions, right? Even ever since three years ago. This project, just a bit of background, I actually started like quite long ago, but a typical problem, you know, we always like put things on the back burner. Yeah, so because, yeah, I also talked to one of my friends company, Jagami, basically he gets involved, he basically provides more like a home care service to like elderly patients, terminally ill patients, basically it's a platform for nurses to go around. Yeah, so he also raised this requirement. So as we know, right, this is probably a graph pulled off from like one of the smart nation websites, I can't remember, it was one of the things like Google. Like, you know, later in the future, let's look at the things from now, right? Population growth is going to increase, or it will decrease, we don't really know, but usually it should increase. It's going to be hard to get around. If it doesn't increase, you're going to have an aging population, you're going to have more people, more elderly people, who may not be familiar with technology. Now, we do know that there's a lot of people that are older than me who know how to use technologies, but doesn't mean that in future they still are able to do so, right? Because you could have problems, you could have hearing problems in future. Some people need like glasses to look at, you know, short range things. And in future, who knows what other devices that will come out. I mean, today, it may be, there's a lot of focus on mobile devices, phone tablets, maybe 10, 20 years from now, it doesn't exist. Whatever things you know today, mobile phones may not exist in the future, right? And what I really believe in is having something that is easy to use, I believe in interfaces that you can touch and feel and are obvious to use. So I did a bit of searching around what is actually available out there. You can typically use software, but laptops are not really for all people, especially those who are finding it hard to see small words, right? There's some Amazon show, there's this thing called Grandpad, the name is just horrible, right? Yeah, the screen is small, it's portable, but then my friends will say that their grandparents will forget where they leave their phones around. Yeah, you can keep buying elderly friendly phones, but these kind of things, they get lost. If you want to charge, there's no power, etc, right? So, typically the concept that I look at is something really simple. We just have a big screen, a speaker that is able to capture your voice. For example, I'll list down the parts a little, but basically there's a speakerphone where you can capture your voice from even across the room as I'm speaking now, right? And it's loud enough to broadcast sound audio throughout the whole room. And there should be a PIR sensor, like actually I have this thing over here. Yeah, pardon the dog photo, that's my Facebook photo, so I left it there. Yeah, so basically there's a PIR sensor over here, right? So basically if you move in front of it, it will automatically turn on. Because I do not like the idea where, number one, if you just leave something that's on all the while, it burns power, it will burn out the screen, who knows, right? So it should turn on when you're near, supposed to be intuitive, right? And you have over here, there's a Jabra 410, which I think is like the best speakerphone in the market today. It's really good, you know, even like conference room at Google, the large companies, they just use this device. It's affordable as well. Yeah. Yeah, and in general, right, all these are commodity parts and you can just buy them off Amazon or other websites. Okay, so the general architecture is simple as well. The PIR sensor is connected directly to the tablet over USB. It uses Wi-Fi to connect up to your back end for your video calls and there's a speakerphone. For software, so if anyone doesn't know yet, I actually work at this company called VC Labs VSEE.com. I basically built like part of the API system, which does like integration of the software with our third-party partners and other, you know, anyone who wants to use our software to incorporate into their own solutions, right? Right, and generally because it's a Microsoft event, so I take the extra effort to use C sharp for the interface that this entire interface is based on C sharp. I mean, I actually have a fair amount of use case for it. I use it quite frequently in the past because like it's just easy to hack up UI things. So that's actually a UI builder. Today, if you go and look around, there is hardly any other ID apart from Visual Studio that actually allows you to create a 2D user interface really quickly. So I mean, using Visual Studio 6, I was young, but that's besides the point. Yeah, there's an event orchestrator that connects up to the PR sensor and a state machine that does all the coordination between the UI and calling the VC API as well. Right, and so just a brief look at the ownership cost because I believe it's important to take a look at, you know, how much does this thing really cost, right? Look at solutions out there. Amazon Echo, the Amazon show is probably a few couple of hundred dollars but then it's small, right? For this whole setup, we are typically looking at the cost over here. The most expensive thing is the tablet, but I believe the tablet is like the core has typically just buy these things from China. This whole thing cost me less than 350 bucks, Singapore dollars, not US dollars, and if you roll out like in 100 pieces or 1,000 pieces, I believe you could get more cost savings from it. So it's really, what we are looking at is really comparable to like other solutions out there. And it's really like something I advocate that people can actually try to build themselves, right? So the usage of this thing in practice is that, number one, it can call over, it can basically be used for an entire room, right? So we are looking and putting multiple of these devices around the house. People say that always too expensive by ratio that the cost is affordable is infrastructure cost, right? Investing infrastructure cost, it can be reused for multiple situations, so it's totally fine. We talk about integration, okay? Software is simple these days. You can basically link it up, you know, to my friend was telling me about how her grandma needs some emergency button installed around the house because in case she falls, but then needs to press a button, her mobile phone is too far away because you're leaving on the table, right? She's on the ground. She has to have easy emergency buttons, either you hold it, you wear it around your neck or you leave it around. You need many of these. And you can integrate it into the system to basically replace a call or down a landline, et cetera. Or you could place this around so that if you visited a door, if you install a ring or whatever, those Nest cams, those door cameras, if you integrate that and potentially you could send a video feed here as well. So just like a simple device like this, it's really a gateway to a home and allows you to do a lot more things. And I have a demo over here. So the user interface is pretty simple, right? Each of these squares basically represents a contact. So this is my Facebook profile. So if let's say someone wants to call me, it's very easy to call me over here, I believe. Yeah. And the other faces could be like, your home care nurse, your other in-laws, whatever. Basically, you just press who you want to call and basically use my company's product and API to place a call. And I believe it should pop up somewhere around here. Yeah. So it's seeming that on my laptop and someone calls me. Yeah. As you can see, the speakerphone is pretty loud, right? So you should be able to like see the other person over the camera. So you can see like the process for me to integrate my company's product is a very simple C-Shop app. And yeah, it's a simple thing to... I don't really know what other... Possibly you could also use Skype or explore other things, but I'm just generally more familiar with my own company's products. Okay, let me go back here. So there are a couple of other improvements that I was looking at in the future. There's more use cases for WebRTC, Web Browser integration. And if my friend is interested, I plan to roll at least like five units for them to use. Yeah. And I actually added these links up here because I'll put up the slides in future and you guys can go and take a look. And a special thanks to Edward Chua at the corner. He works at Google SG for helping me to build up the wooden frame, the laser-cut frame over here. Yeah, but I unfortunately covered the camera on camera. Yeah, so that's why you just... You only see one video, not two videos. Yeah, so any questions? What's the sensor for? Oh, at least the PRR sensor. So it's a movement sensor, right? It's a range of about three meters. So when you're near, it would turn on the screen. Typically, the screen would be off. It's a Windows tablet. Yeah, this is actually a Windows tablet. Yeah. Questions? Coffee, how long do you... Sorry? Coffee, how long do you think you'll be there? One day. Yeah. Yeah, I mean like C-Sharp is very easy. You know, to... I mean, you are familiar with those kind of things. Yeah. Okay. So again, move on.