LED chaser lights (or) sequential LED flasher circuit on a breadboard using 555 timer + 4017 IC and a few other components. The LED’s chasing rate can be adjusted using a potentiometer in place of 47K ...

Greater than 2-megapixel camera phones require a high intensity flash in medium to low light conditions to ensure good pictures. However, the battery presents the ...

Flex can save up to 70% in space or weight, but beware of improper bending. A flex circuit is made from a flexible polymer film laminated to a thin sheet of copper that is etched to produce a circuit ...

A recent design project required a bright LED flash each time a 100-µs pulse occurred. The pulse repeated every 300 ms. Because the pulse was so short, driving the ...

Megapixel photographic capabilities are included in today’s mobile phones. Since rich lighting is crucial for yielding good photographic performance, and often, the light available for taking a ...

The Circuit and Its Operation The six-component blown fuse indicator circuit flashes an LED when a fuse in an AC-powered device has blown. It operates as follows: With the AC fuse intact, the circuit ...