I have a spiral staircase. I would like to have strips of LEDs under each stair, so when someone walks up the stairs, it lights up the underneith of each stair as they step on it. What sensor would do this the simplest? There is 15 stairs, can the arduino take 15 inputs?

Light up stairs as you walk, need sensor advice

system June 29, 2014, 9:29pm 13

Also appears I need 10k resistors, would this be the one?

Topic		Replies	Views
Illuminated staircase General Guidance	4	3101	May 5, 2021
Need Advice: Stair LED Lights General Guidance	8	8591	May 5, 2021
LED Strip LEDs and Multiplexing	10	2508	May 6, 2021
Stairs LED strips with m motion and photoresistors LEDs and Multiplexing	3	1428	May 6, 2021
Led Automatic Stairs Lighting LEDs and Multiplexing	26	27698	May 6, 2021