Welcome to dev_stories

🟠 In this final article, I connect the embedded AI device to the real world. I describe how inference results leave the MCU, travel through MQTT and HTTP, land in a Rust backend, and become visible through a web dashboard. This is the layer where a TinyML prototype turns into an actual **end-to-end product**....

🟠 In this article, I walk through the complete TinyML lifecycle on a microcontroller — from dataset preparation and model training to running TensorFlow Lite Micro on bare metal and integrating the model into a Rust firmware via a custom FFI wrapper. This project intentionally spans multiple domains: embedded systems, machine learning, data engineering, and low-level systems programming in Rust....

🟠 In this article, I'll explain the hardware I'm using in my AI device project, why I chose it, and how I structured the firmware in Rust. This is the foundation of the entire project: the MCU, display, controls, and a minimal firmware skeleton that ensures modularity and expandability....

In this series of articles, I'd like to show you how to create your own **ESP32-S3**-based device with **ML** built right into the firmware. 🟠 I'll try to describe not only what I'm doing, but also how I got there—all the decisions, compromises, and challenges that arose along the way....

🟠 In this article, I describe a small but complete system that converts raster images into **cross-stitch / needlepoint patterns**. The project focuses on turning an image into a **structured, printable, and editable SVG pattern**, with full control over size and color palette. It sits at the intersection of image processing, CLI tooling, and practical craft-oriented output....

**Experiments, Prototypes & Notes with the micro:bit v2.21** This repository contains my projects, experiments, and notes using the **micro:bit v2.21**, built on the **nrf52833** microcontroller. It serves as a playground for testing ideas, learning embedded concepts, and building small prototypes....

🟠 **Synchronization** is a fundamental concept that ensures that the processor, peripherals, timers, and interrupts operate in a consistent and accurate manner based on a common clock source....

🟠 **Clock is the basis for timers and interrupts** The clock system sets the pace of all digital components of the microcontroller. Timers use its signals to generate interrupts and perform tasks with precise time control....

🟠 Timers are hardware modules of the microcontroller for actions with time counting and event generation **without the participation of the main code**. The accuracy of the timer and its maximum time range depends on its `bit depth`, the clock `frequency` to which it is connected and the value of the `divider`....

🟠 How to handle pulse width modulation...