7 ms·
Line-of-sight isn't strictly needed. IR remote controls can get along without; a white ceiling might reflect enough light for this as well.
by apk17 12y ago
Line-of-sight isn't strictly needed. IR remote controls can get along without; a white ceiling might reflect enough light for this as well.
- electromagnetic 12y agoIf you've got a remote with a good quality IR LED you can point it just about anywhere.