top | item 40738028 (no title) 2sk21 | 1 year ago Article like this are why I keep coming back to HN: I was using an LDR (Light Dependent Resistor) for a similar task but this LED idea is fascinating. It would have never occurred to me! discuss order hn newest kragen|1 year ago the photoresistor is more linear and gives you built-in smoothing over a longer period of time, but (like other photodiodes) the led is much faster
kragen|1 year ago the photoresistor is more linear and gives you built-in smoothing over a longer period of time, but (like other photodiodes) the led is much faster
kragen|1 year ago