![arduino - How can I use a transistor (2n2222) to act as a switch with this 12V momentary switch? - Electrical Engineering Stack Exchange arduino - How can I use a transistor (2n2222) to act as a switch with this 12V momentary switch? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/l55s4.png)
arduino - How can I use a transistor (2n2222) to act as a switch with this 12V momentary switch? - Electrical Engineering Stack Exchange
![RGB LED strip controlled by Arduino Pro Mini and powered by 12V wall adapter - Project Guidance - Arduino Forum RGB LED strip controlled by Arduino Pro Mini and powered by 12V wall adapter - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/f/a/b/fabac2ace6aabc15164d837c151d30661041e0be.png)
RGB LED strip controlled by Arduino Pro Mini and powered by 12V wall adapter - Project Guidance - Arduino Forum
![transistors - Attempt to use 2n2222 as a switch, but it seems to work below 5v (all the way down to < 1v). Why? - Electrical Engineering Stack Exchange transistors - Attempt to use 2n2222 as a switch, but it seems to work below 5v (all the way down to < 1v). Why? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/6MIpl.png)
transistors - Attempt to use 2n2222 as a switch, but it seems to work below 5v (all the way down to < 1v). Why? - Electrical Engineering Stack Exchange
![transistors - Attempt to use 2n2222 as a switch, but it seems to work below 5v (all the way down to < 1v). Why? - Electrical Engineering Stack Exchange transistors - Attempt to use 2n2222 as a switch, but it seems to work below 5v (all the way down to < 1v). Why? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/RA666.png)
transistors - Attempt to use 2n2222 as a switch, but it seems to work below 5v (all the way down to < 1v). Why? - Electrical Engineering Stack Exchange
![arduino - How can I use a transistor (2n2222) to act as a switch with this 12V momentary switch? - Electrical Engineering Stack Exchange arduino - How can I use a transistor (2n2222) to act as a switch with this 12V momentary switch? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/ams99.png)