Very informative. Great! No nonsense video - real engineering approach. Well done!

One wonders about longevity. Will these same parts be available in three or five years? Will the company?

Another factor is development cost. If you're already intimately familiar with a particular architecture and its tools, and can quickly crank out a bug-free design - that's worth a lot.

How many of those 500 will really work, its hard to predict

Nice video, but you way overcomplicated the process. One generally only needs a flat surface, glass or plexiglass, then you put down your pcb and tape down similar thickness old pcbs around it to "lock" the board position, but it is still easily removed. Finally, you align a stencil over it and only tape one edge down to form a hinge. Lasts for thousands of boards. Your stencil is too thin. The stainless stencils from pcbway are completely flat on their own, so no need for vacuuming.

Flash size?

Nice work

_"overpaying for micro controller"_ I bought a handful of "Arduino" boards just for $1.5 from China then had to chuck them in a bin altogether. No way I'll ever look at anything cheap. You get what you pay for. A greedy always pays twice but an idiot pays for the rest of their life.

While watching your video, I had an idea. To me this idea seems so obvious, that I'm almost certain that somebody else already thought of it and tried it, and there's some reason that it either doesn't work or isn't practical. Still, just in case, here it is: Would it be possible to make a modified toolhead for a 3D printer that could apply solder paste? So that it could be printed on to the pads directly without using a stencil. I can see one reason that this might not have been tried even if it were feasible, and that is that those people with the knowledge to actually make this are also people who make multiple copies of each PCB, so for them it would be impractical, but for a hobby-user who would often only make a single PCB, it might be a sensible solution, that they just don't have the knowledge or equipment to pull off.

Downloaded it. Thanks for sharing. Appreciate recyclers and open-source devs for a better future.

Heat stake inserts are a lot more trouble than they're worth I just mold in a hex pocket and drop a standard nut in place and print over top you can print over regular nuts or lock nuts of various kinds and they cost next to nothing compared to the fancy heat stake inserts and they are a lot stronger.. You can also print clearance in so the nut will float a bit and allow for misalignment much more versatile than a heat stake insert. Interesting design.

pretty cool! My shark vacuum has a vent like that, if you don't vent it, it sticks to the carpet and you can't even move it.

It's purely Chinese .. provide info on either Taiwan Japanese Korean American chipset

this is not a microcontroller, it is a microcontroller dev board

The Cheapest Microcontroller? CH32v003

too much talk im gone 😂

well done YT recommendations.

This looks like a clone chip of STM.

Hey Zach, I have a useful idea for the microcontroller that fits your channel. Since you are a jack of all trades then would a controller that monitors your ac system on your house be useful? A monitor system that helps you see ac problems before the turn catastrophic. It would be mostly temp sensing.

Ten cents for all of that capability? I remember paying £100 for a megabyte of RAM and thinking that it was a bargain price. How times have changed.

Very good and informative vid! im ur 700th sub lol

Commented cause i loved this

RP2040 has no internal Flash and only uses SPI Flash so it has to load the program or bits of program into RAM, reducing how much RAM you actually have for data so your comparison is a non starter in my opinion. What I do really like about this device though is that it's ARM M0+ rather than the somewhat inferior RISC-V. In my opinion the only thing RISC-V really gives you is the cheap FPGA synthesis. What I find interesting here is check the price out of an RTC chip compared to these micros. Obviously you need to be able have low power and a low power 32 kHz crystal connection, but basically you get about 5-10 of these for 1 RTC. I used to use MSP430 family devices as RTC's because they were 1/3 the price of an RTC. We use cheap micros for all sorts of glue logic because you can replace 100 or more logic gates with one of these for a fraction of the cost and PCB area if you don't need fast logic. Oh one last thing, when listing all of the serial options it has, I thought I'd mention that a lot of MCUs have shared HW for the various serial engines eg. the SPI Tx register and UART Tx Register could be the same HW meaning if you use SPI you're down a UART channel. It's not exclusively so, but just something to watch out for.

How long until there is compute power in EVERYTHING and it all meshes together?

Gr8 video and +1 subriber

Eye opener video. Many thanks

😮"wait 11:26 for it to update" oh yank-ware which may stop at any time? Is there a way to download everything to not depend on a company?

I find this chip very useful and interesting. Thank You.

This looks like a cortex clone along with the debug interface and all the drivers.

Made in China? No thanks.

Why do you need a HAL for something like this? The code is on bare metal isn't it? Doesn't the HAL just get in the way of actual hardware capabilities and introduce someone else's bugs?

You buy cheap, you buy twice! This video looks like paid ad.

I wonder if you could add input and output to convert this to the equivalent of an old mainframe.

I get the sense you reading from a teleprompter?

I found datasheets in Chinese a few days ago, but even they've disappeared. I'll stick with STM32

This a clone of stm32f0 and use the same documentation.

Great video

The development board is about 5 USD, which is lunacy compared to and ESP32 board

Thank you!

Not available in my country (India) and import costs makes them expensive.

Cortex M0 is a powerful little chip!

Incredible Zach!

Is there platformio support? otherwise I'll pass

There is an arduino port fot this kind of microcontrollers: py32duino/Arduino-PY32

There is an Arduino port for this microcontroller series : Py32duino

Wait whut 😳😲 is that like an AT Mega?!😮

That was impressive. Thanks for sharing. Hail to the Ineffable Algorithm for suggesting your video!

Interesting stuff, all the setup work is above my paygrade at the moment, fascinating nonetheless....cheers. Edit: oh yeah 'PB5' same port and pin on the Arduino Uno for the built in LED.

I had to smile when you described over several minutes, thee code needed to flash a led. It reminded me of the joke about the king and the toaster design. Even with interrupts, I'd be thinking under a minute with an arduino before youd be flashing the chip. So much prewritten code and definition files, i worry about code errors made by others, but thats the cost of wanting things like USB to work from libraries.

I agree, py32f002 is cheapest arm mcu can buy at here. Yes 4600vnd for 1 unit, easy to program via dap,stlink clone,etc...