For discussion of Speeduino compatible boards designed / built by other members of the forum and for guidance around making such a board
User avatar
By ikamac
#34063
Vauhtivaunu wrote: Mon Apr 22, 2019 10:11 pm ZF (Cherry) GS100502 gear-tooth sensor is The replacement for original M52 sensor. It gives rock solid signal.

I´ve tested this with M52 original ecu

https://www.youtube.com/watch?v=mkCWV5xx8QU

And in S50-engine Megasquirted:
https://www.youtube.com/watch?v=pLFo000b7Ak

Ps. I´ve used GS100502 6 yrs now with many engines and configuration and I trust it like my balls. It´s not even ecu related but this sensor solves sometimes mysterious problems that seems to be more like witchcraft.
so siemens camshaft sensor is VR and crankshaft is hall type ?
User avatar
By pazi88
#34065
ikamac wrote: Tue Apr 23, 2019 4:02 pm
so siemens camshaft sensor is VR and crankshaft is hall type ?
No. Crank is hall, but cam is strange one that I don't even know the name. It has two coils and ecu feeds 120khz signal to one. And then measures other one. And from the phase shift that occurs when sensor passes the half moon trigger, it defines cam position.
User avatar
By pazi88
#34315
There is now rev1.3 available: https://github.com/pazi88/Speeduino-M5x ... 0documents

Image

Changes:
- diode for BT module that removes the need to unplug BT module to be able to use USB
- A/C circuit with idle up input to mega (this is still the untested one)
- second external connector that has two more relay output, +5v, GND and serial 3 routed to it.
- minor improvements.

And of course there is no need to populate the components for A/C circuit or the second external connector, if there is no need for those features. But those are there as an option.

Also some have asked if this works in s52 and yes it does.
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