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Tag: Automotive

Drive Safely wth Speed Alarm

July 11, 2012 Rend

At high speed, visually checking your speedometer to keep under maximum speed can be dangerous. It will be much safer if we put an audio alarm system to give a warning if the speed reach a certain threshold. To build a speed alarm circuit, two IC timers are needed. The alarm will beep if the input frequency is greater than […]

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Category: Test and Measurement Tags: Alarm, Automotive, Safety

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