EDIT: Added a solution that may work. Please see the bottom for update.
As you can see in the photo, (sorry for the bad schematic, I am new to this) I want to have sufficient power to all the LEDs but am not sure how strong a power supply I will need for this to work without burning the LEDs. I see I'll need 5v since everything is powered by 5v, but I'm not sure how to calculate the amperage.
This is going to be used on each stair for a total of about 18 steps. Each LED strip will be about 1m long with 1ft of wire connecting each strip. At the bottom step, I will be using about 2.5m of wire to reach the power source (the plug in the wall). Would any gauge wire be fine for this?
If anyone sees any flaws with my design, I would appreciate any help as I am new to this and am trying to set this up for my mother who seems very excited for it. I don't want to mess it up and cost her a lot of money. FYI i didn't include the negative side to not confuse people with my poorly drawn schematic, but it would follow the same path as positive, only backwards.
Parts from Amazon.ca
ESP8266 Wifi Controller Could only post 2 links: amazon.ca/gp/product/B01F5ALLFM/ref=ox_sc_act_title_1?smid=AZP2XD12VOJLM&psc=1
PIR Motion Sensors Could only post 2 links: amazon.ca/gp/product/B019SX6ZR6/ref=ox_sc_act_title_6?smid=A3BYPBV6CTUPBO&psc=1
So i have now found what might work but still want to make sure with everyone here that it is a good option as i know there are multiple ways of doing this now. I found this in an adafruit tutorial.
I would use a 5V 80A power supply with 3 power outs. As i am new i would appreciate any suggestions on which fuse and which bus bars to get. (Tried researching but i cant find one that looks like the schematic). I live in Canada by the way in case you send links to local shops.
I would use busbar 1 for PIR sensor 1(bottom of the stairs), Busbar 2 for ESP8266, and Busbar 3 for PIR sensor 2(top of the stairs)