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In a quirky blend of biology and technology, a young Indian engineer has created a wearable AI-powered device that listens to his stomach and automatically orders food online when it growls with hunger.

Engineer Sohan M Rai, a startup founder and content creator from Mangaluru in the southwestern Indian state of Karnataka, built the 'Meal Ordering Module' (MOM) as a DIY experiment. The device clips onto his belt and uses a stethoscope borrowed from his sister to capture internal stomach sounds. A microphone attached to the stethoscope's diaphragm records the audio, which is then fed into a small computer chip for analysis.

The sounds are then processed using AI, which distinguishes between a genuine hunger pang and other sounds, such as gas. If it confirms hunger, the system automatically triggers an order through a food delivery app, selecting items based on Rai's previous preferences.

Footage captures Rai fine-tuning the MOM in his workshop.

"My team and I, when we work on something, we don't have a track of food or anything... One day, we were like, s**t, we didn't even have food once today. And then we were like what if we had a device that can know if we're hungry and order food automatically?" Rai explained.

"I don't look at any scalable thing out of this - it's a fun project, it can be used, but I don't think someone would use it every day," Rai added.

He encouraged aspiring inventors, noting, "For anyone who wants to build something or anyone who feels like they want to learn but they're like ok, I need this money for it or this idea...you just keep on executing. Even if it's the smallest idea that comes to you, just go on and execute it."

The gadget, featured in Rai's 'Inventions You Will Never Think Of' series, quickly went viral, attracting mixed reactions online, ranging from amusement to scepticism. Many social media users expressed curiosity, while some dismissed it as a useless invention.

Rai is well-known for his tech-driven Instagram page 'Zikiguy,' where he regularly shares innovation and gadget-related content.

An alumnus of Sahyadri College of Engineering & Management, he has completed various internships at tech firms, launched his startup, and cultivated a strong social media presence.

Earlier in 2023, he gained viral fame for delivering food as a Zomato deliveryman using a homemade drone.

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Transcript
00:00What type of gear thing is?
00:2612.
00:4113.
00:4918.
00:5118.
00:53So, me and my team, when we work on something, we don't have track of food or anything.
01:03So we usually go all in, we'll be working for a whole day and we were like, one day,
01:07we were like, shit, we didn't even have food one set today.
01:10And then we were like, what if we have a device that can know when we are hungry and automatically
01:14order.
01:15So, this felt like a lame idea, but then it was very interesting as well.
01:19So, we then figured out we can actually build it by using a stethoscope, we can detect
01:23the voices inside our stomach or in our body, right?
01:27So we used it and we just did a small prototype, it worked.
01:31So then we built a small 3D printed case and wrote a code which connected through, so Zomato
01:37also launched their MCP server, which means you can activate, access their platform directly
01:43through using an LLM model.
01:45So it was an opportunity at the same time, so we used it and it worked.
01:50So it was cool, so we made a fun video out of it and it went viral, which is not expected.
01:53We then worked very well.
01:54Now I'll just...
01:56It's good.
01:57It's good.
01:58Yeah.
01:58It was great.
02:00It's good.
02:00It's good.
02:01It was good.
02:02It was good.
02:03It was good.
02:05It was good.
02:05It was good.
02:06Oh.
02:07Ok.
02:08This stethoscope can record voices inside your heart sounds,
02:23or whatever is there, it has a diaphragm that basically access the sounds inside which a
02:29normal microphone cannot.
02:30For this we attach the small microphone and that microphone goes to a controller called
02:34the ESP32.
02:36So this controller will basically detect these sounds as an analog input and then when the
02:42sound is detected it will access a model, a python script in the local server.
02:48So ESP32 connects to Wi-Fi, it has Wi-Fi access, connects to the internet to the local server
02:53where we run this code which will write a prompt automatically in Claude.
02:57Claude is an LLM model, it will write a prompt saying that order us this, this, this food,
03:02access our Zomato MCP server, using the MCP server, access my Zomato app, see what orders
03:09I have preached before, what kind of orders food I like to have and based on that if my
03:15growl is a smaller sound then order a basic food, if my growl is a bigger sound then order
03:20more food that means I am more hungry.
03:22So it will see all those preferences, see the ratings of the restaurant, see my budget
03:26and after comparing all those things it will find the perfect dish and order it for me.
03:31So it's checking my order history, it's my order that has been.
03:36So I don't look at any scalable thing out of this, it's a fun project, it can be used, but
03:43I don't think so someone would use it everyday.
03:50I don't think so someone would use it everyday.
03:57I don't think.
03:58I don't think.
03:59I don't think.
04:00I don't think.
04:01I don't think.
04:02I don't think.
04:03I don't think.
04:04I don't think.
04:05I don't think.
04:06I don't think.
04:07I don't think.
04:08I don't think so.
04:09I don't think so.
04:10I don't think so.
04:11Anyone who wants to build something or anyone who feels like they want to learn but they're
04:14like, OK.
04:15anyone who wants to build something or anyone who feels like they want to learn but they're like
04:39okay I need this money for it or this idea needs to get this this much of money only then I'll build
04:46it that will come to you eventually money will come to you eventually or the output of that
04:51will come to you eventually you just keep on executing even if it's the smallest idea that
04:56comes to you just go on and just execute it
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