Velleman IR Barrier Kit
From our extensive range of high quality Velleman Electronics Kits, this kit, when bulit creates an alarm which is triggered by the breaking of an invisible infrared beam. Possible applications include announcement of visitors, warning against burglars, set boundaries, and for use in science projects. All Velleman projects feature a high quality PCB, building instructions and (unless otherwise stated), all the components required to construct the kit. Basic soldering skills and equpment are needed to complete this kit.