Is there a device that can be put on + wire of a transformer, and I manually adjust up or down to find the correct voltage?
Example
If I have a 15 volt - 5 A adapter - sets a variable device on the + wire - and the more I turn up from 0 the more power to the LED
Hello
I have a TomTom GPS that need to be replaced, but I ran into the problem that dn current setup I have in the car has a 3.5mm jack with the new one is the Micro.
There is an adapter that can solve this problem?
All the one I can find online is for Headphones ...