Conrad Components 196037 Light barrier Assembly kit 9 V DC, 12 V DC

This kit provides an introduction into how light barriers work and function. An instruction booklet explains in detail the components that are employed. It gives an introduction into switching techniques for a Schmitt trigger in conjunction with photoresistors. The assembly is described fully in steps. Measurement points and examples of calculations make the circuit easier to understand. Ideal for learning. Application examples: Light-barriers, twilight switches, counting devices, alarm systems etc. Can also be used as a temperature switch when using an NTC.