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.
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WordPress tips, web development, OpenPnP, banking guides, and practical tech tutorials.
Browse articles →Latest from the Lab
Hands-on guides, tutorials, and DIY projects
- AI Coding Agents Just Became Attack Tools — Here’s How to Protect Your Developer WorkflowA decades-old Unix trick broke six AI coding assistants in one week, and an autonomous AI agent ran its first complete ransomware attack. Here’s what developers and security teams need to understand — and fix.
- 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 ESP32 vs Raspberry Pi: cost, power, boot time, ESPHome integration. - DIY Quick Change Tapping Attachment for CNC Lathes – Free Design Files
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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.
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Have a project idea, question, or just want to connect? Reach out anytime.