https://dalizhe.ir/blog/ The Dalizhe blog: notes from our team in Tehran on artificial intelligence, robotics, edge computing and building bilingual websites. en Thu, 12 Nov 2026 06:00:00 GMT https://dalizhe.ir/blog/how-to-write-a-prompt/https://dalizhe.ir/blog/how-to-write-a-prompt/Thu, 12 Nov 2026 06:00:00 GMTA clear prompt gives the model a task, the context it lacks, an example and a format for the answer. A practical guide to prompt writing, with notes for Persian.AILanguage modelsPrompt writing https://dalizhe.ir/blog/persian-speech-to-text/https://dalizhe.ir/blog/persian-speech-to-text/Thu, 12 Nov 2026 06:00:00 GMTHow speech recognition handles Persian, why accents, spoken forms and recording quality matter, and what to check before using transcripts at work.AIPersianSpeech recognition https://dalizhe.ir/blog/persian-ocr-scanned-documents-to-text/https://dalizhe.ir/blog/persian-ocr-scanned-documents-to-text/Thu, 12 Nov 2026 06:00:00 GMTWhy Persian OCR is harder than English, what makes the result better or worse, and how to check the text before your organisation relies on it.AIPersianOCR https://dalizhe.ir/blog/ai-vs-machine-learning-vs-deep-learning/https://dalizhe.ir/blog/ai-vs-machine-learning-vs-deep-learning/Thu, 12 Nov 2026 06:00:00 GMTArtificial intelligence, machine learning and deep learning are nested ideas, not rivals. What each term means, how they relate, and which one a real project needs.AIMachine learningDeep learning https://dalizhe.ir/blog/what-is-an-ai-agent/https://dalizhe.ir/blog/what-is-an-ai-agent/Thu, 12 Nov 2026 06:00:00 GMTAn AI agent is a language model that plans steps and uses tools to finish a task. How agents work, how they differ from chatbots, and how to keep them safe.AILanguage modelsAI agents https://dalizhe.ir/blog/what-is-an-industrial-robot/https://dalizhe.ir/blog/what-is-an-industrial-robot/Wed, 21 Oct 2026 06:00:00 GMTThe main kinds of industrial robot (articulated, SCARA, delta, Cartesian, collaborative), what a robot cell is made of, and how robots are programmed and kept safe.RoboticsManufacturing https://dalizhe.ir/blog/tolid-daru-website-case-study/https://dalizhe.ir/blog/tolid-daru-website-case-study/Wed, 21 Oct 2026 06:00:00 GMTHow we designed and built tdvpco.com for Tolid Daru, a veterinary products company: a page per product in two languages and a search that answers "do you carry it?"WebCase studySEOPersian https://dalizhe.ir/blog/processing-persian-text-with-ai/https://dalizhe.ir/blog/processing-persian-text-with-ai/Wed, 21 Oct 2026 06:00:00 GMTLook-alike Arabic letters, half-spaces, three sets of digits and Finglish: what to fix in Persian text before search or a language model sees it.AIPersianLanguage models https://dalizhe.ir/blog/machine-vision-for-quality-control/https://dalizhe.ir/blog/machine-vision-for-quality-control/Wed, 21 Oct 2026 06:00:00 GMTHow automated visual inspection works on a production line: cameras and lighting, rules or deep learning, collecting defect images, and measuring what a system misses.AIComputer visionManufacturing https://dalizhe.ir/blog/building-a-company-chatbot/https://dalizhe.ir/blog/building-a-company-chatbot/Wed, 21 Oct 2026 06:00:00 GMTWhat to decide before building a chatbot on a language model: who it serves, what it answers from, what it may do, when it hands over to a person, and how to test it.AILanguage modelsChatbots https://dalizhe.ir/blog/what-is-a-large-language-model/https://dalizhe.ir/blog/what-is-a-large-language-model/Tue, 20 Oct 2026 06:00:00 GMTTokens, next-token prediction, training, context windows and why models make things up: a plain explanation of how large language models work and where they fail.AILanguage models https://dalizhe.ir/blog/seo-for-a-persian-website/https://dalizhe.ir/blog/seo-for-a-persian-website/Tue, 20 Oct 2026 06:00:00 GMTReadable HTML, titles, Persian characters, URLs, speed with Persian fonts, hosting in Iran and structured data: the SEO checklist we use for Persian sites.WebSEOPersian https://dalizhe.ir/blog/how-a-robot-arm-reaches-a-target/https://dalizhe.ir/blog/how-a-robot-arm-reaches-a-target/Tue, 20 Oct 2026 06:00:00 GMTInverse kinematics, joint limits, synchronised moves and smooth trajectories: how a robot arm decides how to move, explained with the arm on our home page.RoboticsKinematicsMotion planning https://dalizhe.ir/blog/fine-tuning-or-rag/https://dalizhe.ir/blog/fine-tuning-or-rag/Tue, 20 Oct 2026 06:00:00 GMTA language model knows the world, not your business. RAG and fine-tuning both fix that in different ways: what each does, what it costs, and when to use which.AILanguage modelsRAGFine-tuning https://dalizhe.ir/blog/running-ai-on-the-edge/https://dalizhe.ir/blog/running-ai-on-the-edge/Tue, 20 Oct 2026 06:00:00 GMTWhy run AI on a device instead of the cloud, the limits you meet there, and how models are made to fit: quantization, distillation, runtimes and measurement.AIEdge computingInfrastructure https://dalizhe.ir/blog/building-a-bilingual-persian-english-website/https://dalizhe.ir/blog/building-a-bilingual-persian-english-website/Tue, 20 Oct 2026 06:00:00 GMTSeparate addresses, hreflang, right-to-left layout, Persian type and a forgiving search: how our team builds bilingual sites, with Zagros Star and Tolid Daru as examples.WebPersianSEOTypography