- Thu Dec 03, 2020 10:55 am
#46857
@Edce
You should really start your own project.
The 123 will only be useful for a fuel signal. You would still need the 123 to control the ignition.
You will need to determine the pulse the 123 is sending to the coil, and I would suggest it is probably best set up as a distributor .
This link to the wiki may help you, https://wiki.speeduino.com/en/decoders/ ... istributor
What I am not clear about is how you connect it up! As its probably 12v to the coil, and Speedy is expecting a 0-5v signal, some sort of conditioning is probably expected. It is possible that as its the ground side that is switching, then perhaps just a diode to catch any fly back. I'm really not sure.
Would someone please advise @Edce how to proceed.
2 cylinder flat twin. 123 is sitting on the cam and running a wasted spark coil.
You should really start your own project.
The 123 will only be useful for a fuel signal. You would still need the 123 to control the ignition.
You will need to determine the pulse the 123 is sending to the coil, and I would suggest it is probably best set up as a distributor .
This link to the wiki may help you, https://wiki.speeduino.com/en/decoders/ ... istributor
What I am not clear about is how you connect it up! As its probably 12v to the coil, and Speedy is expecting a 0-5v signal, some sort of conditioning is probably expected. It is possible that as its the ground side that is switching, then perhaps just a diode to catch any fly back. I'm really not sure.
Would someone please advise @Edce how to proceed.
2 cylinder flat twin. 123 is sitting on the cam and running a wasted spark coil.
Mere Mortal