I want to buld a ir detector. Would this curket work?
I honestly can't answer that, as I have no clue what a "curket" is. However, if you mean circuit, then yes, that layout will probably work (given you don't put anything in backwards).
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Sorry no good at spelling. Thanks.
It'll work if you use a phototransistor, not if you use the component you linked in your other question.