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by rjohnsto
Fri Dec 15, 2017 6:25 am
Forum: Arduino
Topic: oldie-newby here , have a question
Replies: 0
Views: 212

oldie-newby here , have a question

I don't jump into this stuff as much as I used to , so the technology has passed me up a bit. The project involves and older car (12V system), remote horn, matching bluetooth trigger/receiver & an Arduino board with a 3v input requirement to activate a 12V automotive relay The Bluetooth trigger is o...