| This new kit is a variant of Elektor’s earlier published sand clock. Instead of writing the time in a layer of sand, it uses a laser module...
All items tagged with LED and Laser (3)
| A new bike tail light developed by Apex Bright LED was designed not just as a techno-gizmo but also to improve the security of bicycle rider...
| Since the 1960s, light-emitting diodes (LEDs) have come into use for many applications. Many people may not know that these diodes, used i...