Search found 2 matches

by madumi
Thu Nov 09, 2017 10:05 pm
Forum: Electronics
Topic: infra red timers - why is the receiver on the bottom?
Replies: 4
Views: 183

Re: infra red timers - why is the receiver on the bottom?

aaah, that makes sense... so, it would be one step better to paint that section of the track black also?
by madumi
Thu Nov 09, 2017 3:17 pm
Forum: Electronics
Topic: infra red timers - why is the receiver on the bottom?
Replies: 4
Views: 183

infra red timers - why is the receiver on the bottom?

Just thought I'd throw this one out there, as I'm sure there must be a simple explanation... When I've been looking at many DIY timers, it seems that the transmitting LED is placed on top, the receiver on the bottom. Isn't that a recipe for interference from the ambient light? Or is the flash of ref...