iolinked.com Ajai's space
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Work in progress · finishing the basic build going live 18 / 7 / 2026 thank you for stopping by — Ajai Raj

What is this website about?

Robotics, microcontroller industrial automation, AI & machine learning — and the maths & algorithms behind all of it. Built into real products, end to end.

Self-driving robots, smart factories, and the math underneath — built end to end.

For as long as I can remember, I've needed to know how things work — really work, the layer beneath the layer, until there's nothing left to take apart. This whole site is just that curiosity, let loose.

Robotics, microcontroller automation, AI, the maths underneath — to me they were never separate subjects. They're one story told at different depths: a sensor reading, a line of firmware, a model that learns, an equation that explains why any of it works. What I chase is the moment they snap together and something inert suddenly comes alive — a robot that sees and decides, a factory floor that starts talking to itself.

So I build the whole thing, end to end. A self-driving robot that perceives, plans, and acts — raised in simulation, then thrown into the unforgiving real world. Industrial systems where microcontrollers and PLCs are stitched together by the right comms protocols, IT and OT finally on speaking terms. This is Industry 4.0, up close and hands-on.

And under all of it, the parts I find genuinely beautiful: the algorithms, the transformer models and RAG, the way a quant reasons about risk, and the mathematics that quietly holds the whole structure up. ROS, STM32, Isaac Lab, training loops — tools, sure, but really just ways of getting closer to how the world actually computes.

Everything here is built in the open and traced through its layers, so you can follow along and build your own. If you've ever wanted to truly understand something instead of just using it — pull up a chair. Let's make and break things, and fall a little more in love with how they work.

  • Robotics & autonomy — perception, planning & control; trained in sim, run on real hardware
  • Microcontroller & PLC industrial automation — where IT meets OT, the Industry 4.0 way
  • AI / ML, quant algorithms, and the deeper maths that ties it all together

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