0 Why Your Manufacturer Won’t Catch Your Design Mistakes

Your manufacturer will build a thousand copies of a board that doesn’t work.

And they won’t warn you first.

That sounds like an accusation, but it isn’t, because catching your design mistakes was never their job in the first place.… read more

0 5 Reasons Why Your Prototype Isn’t Ready for Production

Your prototype works.

You plug it in, it does exactly what it’s supposed to, and your brain tells you you’re almost done.

That little voice in your head is lying to you, and it’s about to cost you months of … read more

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 Is Your Prototype Ready for Manufacturing? 5 Gaps to Close First

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 Which Voltage Regulators Should You Avoid 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 Which Wireless Modules Should You Avoid in Your 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: Which Should You Use in 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 Should You Hire a Marketing Agency for Your Hardware 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 Which Development Platform Should You Use for a Commercial 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 Can You Sell a Hardware Product Before You Build It?

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 Which Arduino Boards Should You Avoid 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 How to Choose a Microcontroller Family for Your Product

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 Which Electronic Components Should You Avoid in Your 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 Which Microcontrollers Should You Avoid in Your 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 How to Use AI Agents to Market a Hardware Product

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 When Should You Move From a Dev Kit to a Custom PCB?

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