DIY Ardunio RPM Display for SX2

DIY Ardunio RPM Display for SX2

This topic has 4 replies, 3 voices, and was last updated 28 December 2020 at 11:10 by Neil Wyatt.

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27 December 2020 at 20:22 #515752
Ian Usmar
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@ianusmar79339
HELP !

I am looking for an article on the above by a lady called Jenny back in Dec 2018 I found it yesterday but seen to have completely lost it today so after spending 20 mins searching I resorted to all your fonts of knowledge.

Regards

Ian
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27 December 2020 at 20:22 #10597
Ian Usmar
Participant
@ianusmar79339
DIY Arduino Display
27 December 2020 at 20:25 #515755
JasonB
Moderator
@jasonb
On HMEM
27 December 2020 at 20:28 #515756
Ian Usmar
Participant
@ianusmar79339
Thanks for this I have also found under the Axminster website DOH
28 December 2020 at 11:10 #515835
Neil Wyatt
Moderator
@neilwyatt
I made ones for my SX2 and my Mini lathe (actually AVR based – the chip inside an Arduino).

What may be useful to others is that I used two different ways of timing RPM. At high speeds it counts pulses for a second and multiplies by 60. At lower speeds it times the delay between pulses and calculates the rpm from this keeping accuracy at what would be very low pulse counts.

Neil
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