Hello, I have a project where i want to converge two systems. Currently i have a number of LED's, common positive and the ground changes to make different ones light. I want to read when the LED is lit (Ie. Digital Input to my Arduino Nano) The LED's are 12V (Red, Orange & Greens) Is it safe to…

Sinking Voltage & Current

Topic		Replies	Views
Using another board's LED leads as input Interfacing	7	1458	May 6, 2021
Sinking 5v on a 3.3v board Interfacing	5	1461	May 6, 2021
led voltage question General Electronics	9	3473	May 6, 2021
Digital Pins As Ground General Guidance	8	3808	May 5, 2021
5v to ground on digital pins General Electronics	10	2467	May 6, 2021