Audio Memo Alert Circuit


Posted on Feb 7, 2014

This device prevents paper notes and memos from being overlooked. A paper note placed between two fingers made of a conducting material (metal or conductive plastic) breaks the circuit, allowing pair 1 of Ul-a to go high. We aim to transmit more information by carrying articles. Please send us an E-mail to wanghuali@hqew. net within 15 days if we a


Audio Memo Alert Circuit
Click here to download the full size of the above Circuit.

re involved in the problems of article content, copyright or other problems. We will delete it soon.




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