[sdiy] Microchip.. for futur projects, choice to do.. PICs or Arduino

[Alwyn Nixon-Lloyd]

> Teensy 4.0 uses a STM32H7 processor which can run up to 450 MHz.  Remember the power consumption will be higher so only run it at the speed you need, which you can set with the internal PLL.

I thought it used the NXP i.MXRT1062, which is a Cortex M7 running at up 
to 600MHz.

https://www.pjrc.com/store/teensy40.html

They're very nice.  I'm currently working on a project using them at work 
at the moment.

Alwyn