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:: Home » Lightings » Page 7

Lightings

LM3909 Frequency generator | LED flasher circuit ideas

Last Updated on: July 6, 2022 by Apichet Garaipoom
Frequency generator circuit using LM3909

LM3909 Frequency oscillator generator / LED flasher using low voltage and a few parts. There are 7 circuit ideas. You will like LM3909! Read more

Categories Lightings, Oscillator circuits Tags astable oscillator circuit 4 Comments

Learn audio transmission with light

Last Updated on: April 16, 2022 by ElecCircuit.com
light-to-sound-wave-receiver-using-ic-741

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

Categories Lightings, 555 Timer Tags Sound light controller, IC-741 4 Comments
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