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Pankaj Gupta

Solo dev building CircuitForge (free 3D circuit simulator at luvaai.in). Wrestling with Three.js, React 19, and simulation math.

Pronouns

he / him

What's something "every developer knows" that you secretly had to Google yesterday?

What's something "every developer knows" that you secretly had to Google yesterday?

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1 min read

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The most dangerous sentence in any tutorial is "it should look like this"

The most dangerous sentence in any tutorial is "it should look like this"

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1 min read
The Firebase Auth bug that took me 3 days to find (it wasn't Firebase's fault)

The Firebase Auth bug that took me 3 days to find (it wasn't Firebase's fault)

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2 min read
What's a "best practice" you think is actually a waste of time?

What's a "best practice" you think is actually a waste of time?

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1 min read
Resistors: How to read the stripes, do the math, and avoid the magic smoke

Resistors: How to read the stripes, do the math, and avoid the magic smoke

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11 min read
Why most "free" online circuit simulators break on simple circuits (and what actually works)

Why most "free" online circuit simulators break on simple circuits (and what actually works)

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3 min read
The math behind my 3D circuit simulator: building an MNA solver from scratch

The math behind my 3D circuit simulator: building an MNA solver from scratch

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2 min read
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