How to integrate 7 segment display with ULN2003?

Question

I am working on a project. A water level indicator using ULN2003. Now I want to integrate a 7 segment display to indicate the water level. How?

This question is probably better suited to the electronics SE (electronics.stackexchange.com) — L Selter, Oct 31 '17 at 08:34

score 3 · Answer 1 · answered Oct 30 '17 at 22:37

I am assuming you have a micro controller driving the ULN2003. How about the following sketch.

This show how to connect the segments and provide power to the display.

Following chart has some guidelines on how to drive the 7 segment display.

These should get you started.

1 Answers1