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Sure. If you want sound when the circuit is energized, use a buzzer.

If you want a visual indication when the circuit is energized, use an LED.

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11y ago

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I am trying to make a seat belt safety light How do you add in a buzzer to an astable circuit which already has and LED?

Use the astable to switch a power transistor and connect the buzzer as the transistor load.


How do you make a buzzer with light?

To make a buzzer with a light, you can connect a buzzer and an LED in parallel to a power source such as a battery. When the buzzer is activated, the LED will also light up, creating a visual and auditory alarm system. Be sure to use appropriate resistors to ensure the components operate within their recommended parameters.


Why does a LED bulb get hot while in use?

A LED bulb gets hot while in use because some of the electrical energy it receives is converted into heat energy instead of light energy. This heat is produced by the components inside the bulb, such as the semiconductor material and the driver circuit.


Why does the buzzer for hazard lights stay on?

The same sound is made for several warnings on a car. Try fastening your seat belts for both front belts, checking if any lights are left on, wiggling the ignition switch once the key is removed. Hazard light don't normally use a buzzer so someone may have connected a buzzer in place of a flasher in that circuit.


Can you use 16Mhz crystal instead of 16.5 mhz crystal in a circuit?

no


Where do you use the current limiting resistor?

in a flashing led circuit connected in series


Why the buzzer is important?

buzz when it gets a 6 volt current


What is a buzzer flag?

In the game of soccer, a buzzer flag is a flag attached to a buzzer worn by the assistant referee, which causes a receiver to buzz, warning the referee of the flag's use.


What is the uses of buzzer?

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Are gfci receptacles required in kitchens?

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What are the materials of a prank buzzer?

use this link for a prank buzzer chair http://www.instructables.com/id/Awesome-April-Fools-Prank-Buzzer-Chair/step1/Materials/


Can you use a 25K capacitor instead of a 2.2K capacitor?

In general, no. You need to use the correct capacitor as designed for the circuit.