For home schematics

Build your own smart doorbell memory and never miss an important visitor. This simple circuit, powered by just two penlight batteries, uses an LED to instantly confirm if someone rang your bell, saving you time and hassle. Discover how to easily create this ingenious device and gain peace of mind.... [read more]

Build captivating sound installations with this innovative circuit, utilizing frequencies of 5KHZ and 2 KHZ to craft unique tonal experiences. Adjust sound intensity and explore endless sonic possibilities by changing capacitors C2-C3, creating mesmerizing auditory landscapes.... [read more]

Design a smart circuit to eliminate wasted energy and prevent costly power bills by automatically alerting you when a forgotten light remains on. This innovative project, perfect for electronics enthusiasts, creates a simple alarm that triggers a rhythmic sounder when a door or hatch is closed, ensuring your lights are always switched off.... [read more]