136 watt Peltier Cooling Chip Amazing devices, one side of these Peltier Chips becomes absolutely freezing cold and the other very hot when power is applied. Make a refrigerator with no moving parts and no compressor! Peltier Junction,...
UV LEDs - solid-state 'blacklights. UV LEDs will make fluorescent paints & 'invisible' inks glow brightly. Use for checking ID, hand stamps at events, etc. These are the same LEDs we use in our Powerbeam Flashlights. If you've got an electronic UV...
Our Infrared LEDs ( IR LEDs ) emit a completely invisible wavelength of light at 940 nanometers. There are some IR LEDs available that are 'near' infrared, and in the dark you can plainly see their dim red glow. They do produce infrared light, but...
