??? 06/13/08 19:26 Read: times |
#155878 - I think I can barely understand... Responding to: ???'s previous message |
Hello Oliver... I think I can barely understand what is the positive feedback now, I think it will help... Thanks a lot!
The circuit I'm using really dont have the positive feedback, maybe because its use (was for a line follower) I will post soon I try the circuit... can I use the LM538? It's the only I have in hand "now" (will buy soon as possible the LM393) I used red leds because with ir leds the circuit with the sensivity adjust in minimun was giving always a high state, "even in black it was seeing white" I have a look on your opamp chooser, I dont understand opamps, but your application appears VERY powerful, good work! Thanks again. |
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I Agree | 01/01/70 00:00 | |
Thanks | 01/01/70 00:00 | |
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incorrect | 01/01/70 00:00 | |
Incorrect | 01/01/70 00:00 | |
Clarifying | 01/01/70 00:00 | |
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