Reply to "MTH protosound A-B-A being converted to ERR"

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

I did an A-B-A and built this little board to boost the serial data and the PWM outputs from the R2LC.

I'd post a picture of the actual PCB, but I only built up one to use for this upgrade.

This allowed me to put just the CC-M in the trailing A-Unit and control them both from the lead unit. The reason I like this better than a separate Cruise Commander in the trailing A is they never get out of sync with each other, the trailing unit is getting positive control from the lead unit.

I also mapped out the 10-pin tether K-Line uses, and I found they included four grounds, which gave me the pins I needed to send +5V and the PWM signals to the trailing unit. Crude, but I just needed it for this job. I decided to scan it anyway as someday I may see another one of these.

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11/25/205:53 PM

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