I found LM331 datasheet from the linkhttp://www.ti.com/lit/ds/snosbi2c/snosbi2c.pdf
I tested Fig.14 in breadboard. It works well. But when I tried Circuit as per Fig.16, I find no output. Any advice?
I tested Fig.14 in breadboard. It works well. But when I tried Circuit as per Fig.16, I find no output. Any advice?