There are a wide range of applications for light sensitive ... Power supply circuit is taken from the bridge rectifier D1…D4 is filtered and stabilized by R1, C1, and D5. The bridge circuit is ...

JAMES: And that last point actually ... what they look like in a circuit diagram. Okay, we're going to stick with the same example that we used last time, fairy lights, because they're my favourite.

the lights in most houses and flats are part of a circuit controlled by the consumer unit, where power enters the house. We can see how circuits work, and represent them with some simple diagrams ...