I opened an LED light bulb. It contained integrated circuits, capacitors, a transformer, many resistors and capacitors. And an array of LED chips. All on a printed circuit board. Remember when a light bulb was a tungsten wire in a glass bulb?
I opened an LED light bulb. It contained integrated circuits, capacitors, a transformer, many resistors and capacitors. And an array of LED chips. All on a printed circuit board. Remember when a light bulb was a tungsten wire in a glass bulb?