I'd be interested in one as well. Will it be open source? Or will you provide source+schematics with an order? Or will none be provided?

Thanks. I’ll PM you when have shippable product.

The package will be a complete amplifier board and installation and troubleshooting instructions. No schematics or source.

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79 300TD “Old Smokey” AKA “The Mistake” (SOLD)
82 240D stick shift 335k miles (SOLD)
82 300SD 300k miles
85 300D Turbodiesel 170k miles
97 C280 147k miles

Well, that was quick! I ordered on Saturday and they delivered it today (Wednesday)!

Looks good. Now I just need to get off my arse and begin the wiring. It is going into a 300CD which didn't come with a tach. I'm transferring a tach and sending unit from a parts car

Thank you for the speedy delivery!

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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.”
― Brian P. Cleary, You Oughta Know By Now

Sounds like a fun project. Let me know if you need anything else to get it running.

__________________
79 300TD “Old Smokey” AKA “The Mistake” (SOLD)
82 240D stick shift 335k miles (SOLD)
82 300SD 300k miles
85 300D Turbodiesel 170k miles
97 C280 147k miles