themaccabee
Full Member level 4
Hi all,
I ve found a simple water level indicator with 3 LEDs from
https://www.redcircuits.com/Page95.htm
The circuit is
The problem is that the Red LED is always slightly turned ON making it difficult for a first time user to distinguish between the desired water levels..
Can somebody tell me how to make this RED LED completely turned off wen any other LED is ON???
[/img]
I ve found a simple water level indicator with 3 LEDs from
https://www.redcircuits.com/Page95.htm
The circuit is
The problem is that the Red LED is always slightly turned ON making it difficult for a first time user to distinguish between the desired water levels..
Can somebody tell me how to make this RED LED completely turned off wen any other LED is ON???
[/img]