https://pranavhj.github.io/blog/ Recent content on Pranav Jain — Systems & Embedded Engineering Hugo en-us Wed, 19 Aug 2026 00:00:00 +0000 https://pranavhj.github.io/blog/posts/firmware-porting-mistakes/ Wed, 19 Aug 2026 00:00:00 +0000 https://pranavhj.github.io/blog/posts/firmware-porting-mistakes/ Real firmware porting mistakes I&#39;ve seen engineers make when migrating between STM32, ESP32, nRF52 and other MCU families — with C code examples showing the problem and the fix. https://pranavhj.github.io/blog/posts/ai-tools-embedded-engineers/ Wed, 19 Aug 2026 00:00:00 +0000 https://pranavhj.github.io/blog/posts/ai-tools-embedded-engineers/ An honest evaluation of using Claude, Copilot, and ChatGPT for embedded C/C++ development — register-level code, RTOS patterns, debugging, and where AI assistants actually save time. https://pranavhj.github.io/blog/posts/cross-mcu-migration-guide/ Wed, 19 Aug 2026 00:00:00 +0000 https://pranavhj.github.io/blog/posts/cross-mcu-migration-guide/ Step-by-step guide for migrating firmware between MCU families — from dependency audit to testing. Covers STM32 to nRF52, ESP32, and TI MSP432 migrations with real examples. https://pranavhj.github.io/blog/posts/hal-design-guide/ Wed, 19 Aug 2026 00:00:00 +0000 https://pranavhj.github.io/blog/posts/hal-design-guide/ A practitioner&#39;s guide to hardware abstraction layer design in embedded C — comparing Zephyr, STM32 HAL, Arduino, CMSIS, and hand-rolled approaches, with concrete GPIO and SPI examples you can steal. https://pranavhj.github.io/blog/posts/testing-firmware-without-hardware/ Wed, 19 Aug 2026 00:00:00 +0000 https://pranavhj.github.io/blog/posts/testing-firmware-without-hardware/ Practical guide to testing embedded firmware on your host machine using mocks, QEMU, Zephyr native_sim, and hardware-in-the-loop. No dev kit required for 80% of your tests. https://pranavhj.github.io/blog/posts/open-source-hal-review/ Wed, 19 Aug 2026 00:00:00 +0000 https://pranavhj.github.io/blog/posts/open-source-hal-review/ A comparative review of Zephyr&#39;s device tree, CMSIS, Arduino HAL, libopencm3, and Tock OS — evaluating portability, performance, API design, and developer experience. https://pranavhj.github.io/blog/posts/chip-shortage-firmware-lessons/ Wed, 19 Aug 2026 00:00:00 +0000 https://pranavhj.github.io/blog/posts/chip-shortage-firmware-lessons/ What the 2021-2024 chip shortage revealed about firmware architecture, and why the teams that invested in portability survived while others scrambled. https://pranavhj.github.io/blog/about/ Mon, 01 Jan 0001 00:00:00 +0000 https://pranavhj.github.io/blog/about/ <p>I&rsquo;m Pranav Jain — an embedded systems engineer specializing in the middleware layer between hardware and application software.</p> <p><strong>What I do:</strong></p> <ul> <li>Firmware architecture for multi-MCU products</li> <li>Hardware abstraction layer design</li> <li>Cross-MCU migration and porting</li> <li>Developer tooling for embedded teams</li> </ul> <p><strong>Tech:</strong> C/C++, Python, STM32, ESP32, nRF52, Zephyr RTOS, ROS2, Unity/C#</p> <p><strong>Building:</strong> <a href="https://pranavhj.github.io/portpilot-landing/">PortPilot</a> — a tool that automates MCU migration analysis.</p> <p><strong>Find me:</strong> <a href="https://github.com/pranavhj">GitHub</a></p>