Gikfun 2 Position SPDT 1P2T 3 Pin PCB Panel Mini Vertical Slide Switch for Arduino (Pack of 20pcs) AE1050

for most projects batteries are probably the best way to make them portable being able to turn your project on and off can be really useful it's not important so it's really important that you don't have to take your projects apart just to power it down and that's when an on and off switch is really handy our slide switch JC adapter is basically a way for you to have an on and off switch for your projects to power your portable projects because you have a lot of different options for batteries most of them use a two pin jst connector boards like the Adafruit circuit playground feather flora and Gemma all have on board female JC connectors this way it's easy to plug in a number of different batteries and it's also easy to disconnect now some of these boards do have on and off switches but the problem with that is if it's embedded into a project then you might not be able to get to it any