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LDR photoresistor

Started by cjs2k, September 07, 2019, 05:29:25 PM

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cjs2k

When mounting these on a PCB, should these be aimed directly at the LED, or does it matter. Thanks, CJ

madbean

Generally directly at the LED. The only case where I don't do that is when I have multiple LDRs keying off one LED (like in an optical phaser). In that case I usually flush mount the LDRs and use a light shield.

cjs2k