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From: rbowman <bowman@montana.com>
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Subject: Re: Russian Attack Drones Using UK CPUs
Date: 11 Oct 2025 06:42:56 GMT
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On Sat, 11 Oct 2025 00:26:23 -0400, c186282 wrote:

>    Ard offers (offered ?) a 'dual processor' model.
>    I think the hotter CPU would run a very basic Linux. The two CPUs
>    could, kind of awkwardly, talk to each other.

https://www.arduino.cc/pro/hardware-product-portenta-x8/

It's pricey and aimed at industrial applications. The Q has a Cortex-A and 
a Cortex-M and is much less expensive. 

The Portenta H7 has a STM32H747 

https://www.st.com/en/microcontrollers-microprocessors/stm32h747-757.html

That's an odd duck, two cores but one is a Cortex-M7 and the other is a 
Cortex-M4. No Cortex-A MPU, only the two MCUs. It uses the Arm Mbed RTOS 
that Arm dropped. The Q uses Zephyr for the MCU.

The old Atmel UNOs will be around for a long time but even the UNO R4 went 
to a Cortex-M4.