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Simple Infrared Buzzer

The buzzer can be activated by TV remote control.

simple-circuitsSimple Circuits
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The buzzer uses an infrared receiver IC (integrated circuit) that drives the LM311 comparator that drives the buzzer.

I saw this product on Tindie and decided to simplify the design:

https://www.tindie.com/products/productcircuits/infrared-remote-control-buzzer/

I contacted the Tindie shop owner and received permission to sell a modified design. The modified design does not include the power supply filtering capacitor and resistor.

You can watch the video of my kit working here: https://www.youtube.com/shorts/61do8iyGI0I

Simple Infrared Buzzer Video 1.MOV

Simple Infrared Buzzer Video 1

quicktime - 15.49 MB - 08/20/2024 at 08:03

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Simple Infrared Buzzer Video 2.MOV

Simple Infrared Buzzer Video 2

quicktime - 15.77 MB - 08/20/2024 at 08:02

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