| Need to check fuses? A failed fuse indicator is a great solution, but it needs to be simple, affordable, reliable, and small. The straightfo...
| Need to check fuses? A failed fuse indicator is a great solution, but it needs to be simple, affordable, reliable, and small. The straightfo...
| This simple six-component circuit flashes an LED to let you know that a fuse in some AC powered device has blown. Its operating principle i...