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re: WLED stair project - 2 flights and a spiral stairway

Posted on 10/6/26 at 10:22 pm to
Posted by Dallaswho
Texas
Member since Dec 2023
3883 posts
Posted on 10/6/26 at 10:22 pm to
24v so if going to. 24v trigger, you’d connect black and brown with a 10k pull up resistor. If going to an opto coupler, use a 2.4k current limiter between brown +24 and pin 1 of the coupler then connect pin 2 straight to black.


Posted by CAD703X
Liberty Island
Member since Jul 2008
95346 posts
Posted on 10/6/26 at 10:54 pm to
thank you for all your help on this and other threads
Posted by Dallaswho
Texas
Member since Dec 2023
3883 posts
Posted on 10/6/26 at 11:27 pm to
Any time. I’m doing a lot of the same stuff. Currently ripping apart the Halloween box full of a thousand wires, timers, pull ups, and relays, to make it just a simple esp32, Darlington array, and 16x dry contacts.

I bought an 8 channel opto coupler board to maybe reuse those beam sensors but I don’t think I’m going to use them.

I’m just going to build a docker web app using Ultralytics where you draw a polygon filter, set 2 points, one at each end of the polygon, and the app outputs position of people normalized to the polygon and the line between the two points. If I get that done in under a few hours then I might make it fancy.

I’m way better at the electronics and robotics stuff. Ai lets me write software in a reasonable time frame where making a simple fan control used to take me a week because I’m horrible at writing code.
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