When a touch signal is detected, the signal is output to the microcontroller, and the microcontroller controls the action of the sound and light alarm module through the pins. It can also be set so that when a touch signal is generated, the sound and light alarm is triggered (no involvement of the microcontroller is required) )
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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.
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