| The circuit presented here ensures that bicycle lights remain on for a little while after the bicycle (and thus the dynamo) has corne to...
All items tagged with Electronics and light (17)
| Halogen lamps are rightly popular because they give a good light and have an excellent efficiency. Unfortunately, they tend to be costly....
| Virtually all modern cars have a built-in alarm to warn if you have left the lights on when you are getting out of the car. There are, how...
| Many people nowadays do a lot of cooking in their wok, usually on agos or electric stove, but the idea outlined below, which I have been u...
| To prevent the dynamo-driven lights of your bicyle going out when you stop in the dark for, say, traffic lights, the simple circuit here...
| This electronic switch is designed to be connected direct to the mains, which obviates a low-voltage supply and so keeps the cost and sp...
| Although we assume that most of our readers are thoughtful drivers who do not switch on their rear fog lights when closely followed by ot...