Metal Detector, Metal detector circuit in Proteus, Proteus circuit for Metal detector, 555 timer Metal Detector, 555 timer Project in Proteus Hello Pupils! I welcome you to the board. I hope you are fine. In today's tutorial, we will design a project Metal Detector using 555 Timer in Proteus ISIS. All of us perceive the situations when at the public places such as on airports or in shopping malls where sharp metallic objects such as a kni ...