Almost a month ago I started trying to reverse engineer an inexpensive LED color changing light bulb. With your help ... the power supply uses the example circuit from the LNK304 datasheet.

For example, the bulb can touch the positive ... In this activity campers use their light bulb circuit to send a message in Morse Code. Morse Code is made up of a series of clicks that represent ...

After accidentally crushing the plastic envelope on a cheap LED light bulb ... of these inexpensive LED bulbs last month, discovering they all shared a similar circuit topology.

It’s called a circuit. For example, the lights in most houses and ... A wire from the cell can then be connected to a component like a bulb. And to complete the circuit you need to connect ...