Building cool stuff
with Microcontrollers & Machines
ESP32, STM32, Arduino, LinuxCNC, Motion Control — Hands-on engineering projects and tutorials by VKP from Delhi, India.
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ESP32 vs Raspberry Pi for Smart Home: Why $3 Beats $205 in 2026
RPi 5 costs $205 now. Switch to $3 ESP32 for smart home automation. Compare cost, power, boot time, and ESPHome integration.
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Embedded Systems
ESP32, STM32, ATmega, Arduino, sensor integration, firmware development, and smart home automation.
Browse articles →CNC & Machining
LinuxCNC, SolidWorks CAM, GRBL post processors, stepper motor control, and machine automation.
Browse articles →Tech & How-To
WordPress tips, web development, OpenPnP, banking guides, and practical tech tutorials.
Browse articles →Latest from the Lab
Hands-on guides, tutorials, and DIY projects
- Open-Source AI Models: Tencent Hy3, DeepSeek-V4-Flash, LingBot-Video Compared (July 2026)
Three major open-source AI models launched in one week — Tencent Hy3 (295B), DeepSeek-V4-Flash (284B, 1M context), and LingBot-Video (30B). All Apache 2.0. Here’s the full comparison. - Lyzr Used Its Own AI Agent to Raise $100 Million — And It Might Be the Future of FundraisingLyzr let its AI agent SivaClaw manage a $100M Series B fundraise — fielding 130+ investor questions and tracking engagement. Here’s what this signals about AI agents in business-critical workflows.
- ChatGPT Work Is Here: How OpenAI Merged ChatGPT and Codex Into a Single Autonomous AgentOpenAI launched GPT-5.6 and ChatGPT Work on July 9, 2026, merging its chatbot and coding agent into a single autonomous system. Here’s what changed, what it costs, and why it matters for every knowledge worker.
DIY Engineering by VKP
I build open-source hardware and software projects — from custom CNC post-processors for LinuxCNC to embedded systems with STM32, motion control with stepper motors, and smart home automation with ESP32. This is where I share what I learn along the way.
Let’s Build Something Together
Have a project idea, question, or just want to connect? Reach out anytime.