Anyway a simple LDR is by far more reliable and is as cheap as an LED, you can connect the LDR in series with a 1K resistor and use it as a voltage divider.
Regards.
Anyway a simple LDR is by far more reliable and is as cheap as an LED, you can connect the LDR in series with a 1K resistor and use it as a voltage divider.
Regards.
My English doesn't sucks, it's just fugly...
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