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July 01, 2025
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Plateful
Shipped
InstaQuote
Shipped
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This is the final product of this hackathon project! Frontend Built with React and Tailwind CSS for responsive design. Components include MarketplaceHeader, MarketplaceFilters, and FoodItemCard. Implemented search, sorting, and filtering to improve discoverability. Backend Used Drizzle ORM with Node.js for managing product data and locations. Built APIs to fetch nearby products using user geolocation. Midtrans was integrated as our payment gateway to handle secure transactions. We used their sandbox environment to test payments, simulate different payment methods, and ensure smooth order processing before going live. Location-Based Features Users can set their location manually or use geolocation to find nearby food. Calculated distances using the Haversine formula for better accuracy
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Plateful
Plateful is a platform that connects users with surplus meals from local restaurants. Our goal is to make high-quality food more accessible, affordable, and sustainable. Users can browse available meals near them, reserve or purchase them at a discount, and help reduce food waste. Restaurants can also choose to donate surplus meals to NGOs, ensuring that edible food reaches those in need instead of going to waste. Every meal saved or donated contributes to lowering food waste and greenhouse gas emissions. Also, this is a hackathon project, for a better devlog, you can view the github commit history :))
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This is the final product of this Hackathon Project! I'm responsible for the front-end side which includes Authentication, Dashboard and UI. We built the front-end on top of Next.js Framework, and we use Express.js with the binding of TypeScript to keep our project safe and easy to understand.
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InstaQuote
A B2B SaaS for Instant automatic quote price from file uploads and user inputs, reducing costumer service repetitive task while responding faster. Note: This is one of my hackathon project! you can see the devpost here, https://devpost.com/software/instaquote Also, for a better devlog, you can view the git commit history
WASP: A Wi-Fi Sensing platform using bunch of ESP32!!!
AWESOOMEEE!!, It would be really cool if you could add a demo video of its working irl, maybe in readme or the beside 3d viewer itself, so that people can see it working, for better votes :biig thumbs-up, keep up the good work!!
Finally finished my schematics after tons of trial and error, and a bunch of late-night research into RF stuff I barely understood at first 😅 I ended up going with a simple resistive 1-to-8 splitter for the 2.4 GHz WiFi phase signal, and added a bias-tee using a 3.3 nH inductor and 1.5 pF cap to inject DC power cleanly. It’s not the most high-end setup, but it works well for keeping my pcb in sync, hope it'll works well!
Hey guys! a bit update on my project: i’m still working on the schematics, especially on the part where i need to feed a wifi phase reference signal from one source to multiple esp32s to achieve the phase coherence, also working on synchronizing all the esp32s with a shared 40 mhz reference clock.
Currently working on the schematics! Since this is actually my first hardware project, it’s been a bit challenging. But I’m working hard on it and hoping for the best!
WASP: A Wi-Fi Sensing platform using bunch of ESP32!!!
I’m basically building a WiFi sensing platform, where you can actually sense the environment using WiFi signals. This technique uses CSI (Channel State Information) to capture how wireless signals bounce, reflect, and change around objects, which can tell you a lot — like where someone is, if they're moving, or even their gestures. (I actually made a research abt this!)
This was widely regarded as a great move by everyone.