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Hello guys! For my project I need microphone which can hear sound at least at 1meter distance, can you please guide few of them, what specifications I should look for to buy that? I have attached two microphones whether that will be good for me or not? 1- Sensitivity: -68dB ± 3dB (0.56mV/Pa)...

Hello, I was looking for delay circuit of 2seconds, which can delay the audio signal (input) by digital or active\passive analog components and have delayed analog output. I have come across one circuit but not able to find the components which is attached, that may also help you to suggest me...