LM3909 Frequency generator | LED flasher circuit ideas
LM3909 Frequency oscillator generator / LED flasher using low voltage and a few parts. There are 7 circuit ideas. You will like LM3909! Read more
Lightings
Learn audio transmission with light
Believe it or not. We can send the audio with light. Today was fun for friends to play with their children, Learn about the equipment or use a transducer system. The change of light energy. Into electrical energy. And the change of electrical energy into sound. Change from light to sound. Light that we see. … Read more