Q: Car ECU 12v <--> [BlackBox] <--> 5v PIC/AVR

[Adam Bradley]

Any ideas how I might go about doing something like this?
Optoisolation a good idea?

Schematics anyone?

All I have is questions - no answers yet
Adam

 

[mikegw]

Any ideas how I might go about doing something like this?
Optoisolation a good idea?

Schematics anyone?

All I have is questions - no answers yet
Adam

Well here are another two questions. Which car, which ecu? I've seen ones
for a commodore VN. I am sure there are others but that was all I was
interested in.

Mike

 

[Adam Bradley]

Mike,

All I really want at this stage is voltage level conversion.

Adam

 

[Mike Harding]

All I really want at this stage is voltage level conversion.

2 resistors or a 74HC4050

Mike Harding

 

[Adam Bradley]

Mike - thanks!
I'll give it a go
Adam

2 resistors or a 74HC4050

Mike Harding