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While goofing around with a retired coil-on-plug pack, @MLE_online and I tried driving it far faster than spec. Fast enough to generate musical tones.
Please enjoy this rendition of "Ode to Joy" from Beethoven's Symphony #9 performed by sparky danger organ.
This hideous hack proved the concept is possible. But making it play WELL (bring it in tune, for starters) will take a lot more work.
Here are my ignition coil exploration notes for those who are curious for more details:
https://newscrewdriver.com/2024/06/08/toyota-sienna-denso-coil-on-plug-module/
New Screwdriver · Toyota Sienna Denso Coil-On-Plug ModuleThe problem with deciding I need to sit down and do some reading is that I’m vulnerable to get distracted by something shiny. Or in this case, something sparkly. Some time back I learned how …
@regorlas This is great, Roger!!
@regorlas wow, cool!
@Extelec this is in your wheelhouse I think