| Need a Hall sensor? A strip of copper, a strong magnet, and an LM358 are all you need to explore the Hall effect hands-on. This experimental...
| Need a Hall sensor? A strip of copper, a strong magnet, and an LM358 are all you need to explore the Hall effect hands-on. This experimental...
| Construct this easy-to-make tool to detect hidden magnets and sensors inside modern appliances. You will find it ideal for repairs, experime...