Jaycar Short Circuits Three Project – Electronic Eye Beam Detector Kit | 12VDC

You need a simple alert when someone crosses a path or doorway. No app, no cloud, no subscription. Mount this Jaycar Electronic Eye across the gap you want to watch. Break the beam and the loudspeaker sounds immediately. The kit ships with the PCB, an LDR, speaker, and every component. You supply the 12VDC and a bit of patience. Add to cart and have your beam alert sorted this week

• Mount across a path or doorway – beam break triggers the loudspeaker
• Complete kit: PCB, LDR, speaker, and all components included
• Requires 12VDC power supply
• Simple analogue design – no programming or software needed
• Part of the Jaycar Short Circuits Three project series