I could be mistaking, but I think that since RPi 2 you can already connect GPIO3 to ground to do this.
If you want light with that, just add a 5v rail to the story and you should be good....
https://howchoo.com/g/mwnlytk3zmm/how-to...spberry-pi
If you want light with that, just add a 5v rail to the story and you should be good....
https://howchoo.com/g/mwnlytk3zmm/how-to...spberry-pi
