Actually they are using Hall Effect "sensors" for position.
From the Atmel page:
" So, commutation via interrupts becomes simple if each change of a Hall sensor signal forces an interrupt. Then, the actual set of Hall sensor signals defines the commutation sector. "
The other ones do the same.
I am not sure why they say "Sensorless".
Ralph
On Sat, Mar 24, 2018 at 8:40 AM, old_toolmaker@yahoo.com [7x12minilathe] <7x12minilathe@yahoogroups.com> wrote:
One question I still have is if steppers can both spin and step, why do both steppers and BLDC motors exist? I seems the stepper is more versatile.
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Posted by: Ralph Hulslander <rhulslander@gmail.com>
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