Visitor Counter Without Microcontroller

Auto light switch for bathroom course, in this course you’ll learn to design a hands-free lighting system for bathrooms using laser sensors and the IC4017 counter. This course introduces the concept of automatic lighting, focusing on how a laser beam and a photodetector can detect movement in and out of a bathroom, activating lights without the need for manual switches. We'll cover the IC4017, which functions as a counter to control the on/off states, making the system responsive and reliable. You'll learn to set up the laser to create an invisible beam across the bathroom entrance and connect it to the IC4017, along with other key components like transistors, capacitors, and relays to control the lighting effectively. Practical lessons include step-by-step guidance on building, testing, and troubleshooting the circuit. By the end of the course, you’ll have created a fully functional auto light switch system that not only enhances convenience but also saves energy by automatically turning off the lights when the bathroom is unoccupied. Ideal for DIY enthusiasts and anyone interested in smart home projects.