I tried to find a Crude voltage boost circuit but could not come up with that. Also i am wondering what do you mean by use a common power supply. the issue is, i have to use a USB to connect the device to the computer and the USB gives 5V. At the same time the system is running at 9V with a...
I need to find a switch that can detect whether it should go from 9v source or 5v Source. I am making a tool that has a battery power of 9v and it can also get powered from a USB device, which is 5V.
If the customer need to connect the tool to a computer while its running from the battery...