0 How to Turn Your Proof-of-Concept Into a Custom PCB

If you’ve built an early working proof-of-concept prototype using off-the-shelf parts, then you’ve proven exactly one thing, that your concept works.

But what you can actually do with a prototype at that stage is limited, because in most cases it’s … read more

0 5 Gaps Between Your Working Prototype and a Real Product

Getting your prototype to finally work is one of the best feelings in all of hardware development.

You’ve been grinding on it for months, and now you’re holding something that actually does what you set out to build.

So it’s … read more

0 9 Voltage Regulators You Should NEVER Use in Your Product

These nine voltage regulators show up all the time in beginner designs and early prototypes.

They work fine on the bench, but in a real product they cause thermal failures, blown EMC tests, and production problems that cost thousands of … read more

0 ESP32-S3 vs ESP32-C6 vs ESP32-P4: Which One for Your Product?

Most product creators pick the ESP32-S3 by default because it’s familiar, and then six months into development they realize it can’t do what their product actually needs.

The ESP32 lineup has exploded to over nine different variants, but three of … read more

0 9 Wireless Modules You Should NEVER Use in a Product

The wireless module you pick can kill your product before it ever ships.

I’m talking about FCC certifications that fall apart at the last minute, cellular networks that shut down mid-production, parts that go discontinued right when you’re scaling, and … read more

0 ESP32 vs RP2350: Don’t Pick Wrong for Your Product

Pick the wrong microcontroller for your product and you’re looking at a full board redesign, fresh certification fees, and months of lost time.

The ESP32 versus RP2350 question is one I get asked constantly, and most comparison videos turn it … read more

0 STM32 vs GD32 vs CH32: Should You Trust the Cheaper Alternatives?

Pick the wrong one of these three microcontrollers and you either overpay on every unit you ship, or you save a few bucks per board and lose all of it in debugging time and a forced redesign right before your … read more

0 NEVER Hire a Marketing Agency for Your New Product

If you’re thinking about hiring a marketing agency for your new product, I need to stop you, because I’ve seen way too many product creators blow through their budgets this way with almost nothing to show for it.

And look, … read more

0 Every Development Platform Ranked Worst to Best (for Your Product)

Most product creators pick their development platform based on whatever they happened to learn first, and that one decision shapes every technical choice that follows.

The wrong starting point can cost you months of rework when you try to move … read more

0 Sell Your Product BEFORE You Build It – Changes EVERYTHING

You can spend a year and tens of thousands of dollars developing a product that nobody buys.

I’ve watched it happen over and over, and it’s almost never because the product was bad.

It’s because the founder built first and … read more

0 7 Arduino Boards You Should Never Use for a Product

These boards all work perfectly fine for early prototypes, which is exactly what makes them dangerous, because the chip underneath simply isn’t a foundation you can carry forward into production.

So I’m going to walk you through the seven Arduino … read more

0 MCU vs MPU: Which Is Right for Your Product?

Microcontroller or microprocessor. I’ve worked with hundreds of product creators, and this is one of the most expensive decisions people get wrong. We’re talking six months of wasted development and tens of thousands of dollars, because the fix usually means … read more

0 Every Major MCU Family Ranked Worst to Best

The wrong microcontroller family won’t just slow you down, it can trap you in a dead-end architecture that forces a complete redesign right when you’re ready to scale.

In this video I’m going to rank every major MCU family, from … read more

0 10 Components You Should NEVER Use in a Product

These 10 components show up in almost every tutorial, dev kit, and prototype out there.

But if you design any of them into a product you plan to manufacture and sell, you could be looking at failed certifications, unreliable products, … read more

0 ESP32 vs Arduino vs Raspberry Pi – Which Is Best for Your Product?

ESP32, Arduino, Raspberry Pi.

Picking the wrong one for your product can cost you months of rework, higher certification costs, and a bill of materials that never made sense in the first place.

The internet is full of comparisons between … read more

0 7 Microcontrollers You Should NEVER Use in a Product

Choosing the wrong microcontroller can lock you into months of rework, destroy your margins, or leave you completely stranded when the manufacturer moves on.

And after reviewing hundreds of hardware designs, I keep seeing the same 7 MCUs show up … read more

0 You Build While AI Agents Do the Marketing You Avoid

Over the past few weeks I’ve gone deep on AI agents for my own business, and it’s completely changed how I think about marketing.

I built a content distribution system where I can focus all my energy on creating one … read more

0 Dev Kit → Module → Bare Chip: When to Move On

There are three stages that virtually every hardware product moves through, from early concept all the way to optimized production.

Most founders either skip one of these stages entirely or get stuck in one way too long, and both mistakes … read more

0 Why Hardware Founders Win in 2026

You’ve heard it a thousand times, hardware is hard.

It’s the unofficial motto of hardware founders.

But that phrase is no longer a warning, it’s your biggest advantage.

It’s hard not to be jealous sometimes.

You’re stuck waiting on prototypes, … read more

0 Top 7 Microcontrollers for Battery Life in 2026

Picking a low-power microcontroller that gives you maximum battery life sounds simple.

Just pick the one with the lowest power consumption, right?

Well, there’s a lot more to it.

You have to consider sleep current, active efficiency, minimum voltage, wake-up … read more