A Metal Detector Can Change How You See Your Neighborhood. The Vanquish 440 Is the One to Buy First.

Packed with simultaneous multi-frequency tech, the Vanquish 440 handles mineralized soil and shallow water without constant ...
IEEE

Design and Development of Automatic Lie Detector using Arduino

Abstract: The detection of lies in the internet age continues to be a difficult problem for law enforcement and researchers. This paper proposes an Arduino-based technique for lie detection that ...