Build a RAG Application from Scratch — No LangChain, No LlamaIndex

In this tutorial, I’ll show you how to build a complete RAG application from scratch—no frameworks required. You’ll be able to chat with your own documents, whether they’re PDFs, Word files, or text files. We’ll use ChromaDB as our vector database and store all embeddings inside it. Google Colab Code: https://colab.research.google.com/drive/1uA29Pc33qEfT3bIZ6VuSYds2MMEwvbgH?usp=sharing *🧑🏻‍💻 My AI and Computer Vision Courses⭐* *📗YOLO26 Bootcamp: Real-Time Detection, Segmentation & Pose (13$)* https://www.udemy.com/course/yolo26-bootcamp-real-time-detection-segmentation-pose/?couponCode=…