Practical Engineering.
Built, Tested, Shared.
Open-source projects, engineering guides and real-world experiments across embedded systems, CNC, automation and motion control.
Engineering Domains
Pick a domain and start reading.
Electronics & Embedded
STM32, Arduino, ESP32, sensors
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CNC & Machining
LinuxCNC, toolpaths, calibration
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CAD / CAM
SolidWorks, Fusion 360, post processors
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Engineering Tutorials
Protocols, controllers, systems
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IoT & Smart Systems
Matter, Thread, sensors
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Workshop & Tools
Practical workshop engineering
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How I Build
The engineering philosophy behind JustLast.
Real Hardware
Actual machines, sensors and controllers. No simulated data.
Open Source
Code, schematics, designs shared freely.
Tested & Documented
Measurements, scope captures, real test results.
From India
Bhiwani, Haryana — shared globally.
The Engineer Behind JustLast
Virender Kumar runs JustLast alongside his engineering businesses. With 15+ years in electronics, mechatronics and motion control, he builds real systems and documents the engineering process here.
JustLast is the knowledge arm. The commercial work happens through Neway & Velton Pvt. Ltd. — motion control systems, linear actuators, conveyor systems, and operating theatre equipment.
Engineering Products & Solutions
Custom motion control systems, servo motors, linear actuators, conveyor systems, and OT equipment — built by Neway & Velton Pvt. Ltd.
Stay Updated
New projects, engineering guides and open-source releases.