Arduino vs STM32

[Benjamin]

Heya all,

I'm trying to figure out the reasons (if any) as to why anyone would choose the

ATmega328 16M nano (Arduino)

over its seemingly beefier, faster, brainier and all-around better, cousin

STM32 ARM Cortex-M3 Leaflabs Leaf Maple Mini Module

In any application more demanding or cost sensitive than the duck motor...

I'm strongly considering for the extensive and time consuming number crunching I need to do for a current project and would love to know of any drawbacks before I order one (ok... before it arrives. I'm unusually susceptible to impulse buys at the moment)

Or if it is substantially more suitable for something like a quadcopter, given that the processor is several times faster?

Or if it can make the pins switch faster for faster Stepper motor turning or LEDs cubes, etc

I have read that it's more basic (and therefore harder) than the Arduino IDE so programming may be more difficult... http://www.hackster.io/rayburne/psoc-4-the-arduino-killer

And has anyone played around with the OLIMEXINO-STM32?

[Greg Fenton]

I have used the STM32 in a few things, nothing serious though. The
board I used was an STM32F4-Discovery
http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF252419

It is easy enough to get working and I eventually used it with an
image to turn it into a 24 channel logic probe
https://code.google.com/p/logicdiscovery/

Greg

[Jonathan Powell]

Is price a factor. You can pick up Arduino boards with USB interface for less than 3 quid on eBay from Hong Kong.Cheap enough to leave in a project for that price.

[Alistair MacDonald]

Indeed cost if a factor. I tend to order Pro Nanos from China and pay £1.50.

Also the Atmega328 work at 5v (the reason I use them over the TI offering as well), and have a lot more library code available.

  Alistair

On 4 Feb 2015 17:48, "Jonathan Powell" <jonpo...@gmail.com> wrote:

Is price a factor. You can pick up Arduino boards with USB interface for less than 3 quid on eBay from Hong Kong.Cheap enough to leave in a project for that price.

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[Benjamin]

So cost, more convenient operating voltage and no requirement for the higher processing speeds are the only reasons for using this beast?

Cool.. I'll add it to the list of 'things I'll buy when I come into a great sum of money'