Well you can use a simple if pressed once, show this feed. If pressed again switch to other feed. It is extremely simple to do what you want to do. Also don't switch the feeds into the arduino, instead use a SPDT relay.
Well you can use a simple if pressed once, show this feed. If pressed again switch to other feed. It is extremely simple to do what you want to do. Also don't switch the feeds into the arduino, instead use a SPDT relay.