11+ Metal Detector Circuit Using Ic 555. As you can see in the schematic circuit, this project requires some external electronic electronic parts. When a magnet is brought close to the 10mh choke, the output frequency changes.
Search for gold in the mountain streams using tool metal detector. The 555 ic is wired as a mono stable multivibrator. Optimum optical sensitivity is achieved by adjusting the transimpedance and bandwidth with the feedback terminal on the hybrid.
Derivatives provide two (556) or four (558) timing circuits in one package.
11+ Metal Detector Circuit Using Ic 555. The first industrial metal detector was developed in the year 1960 and was used for mineral prospecting and other industrial applications. Wave soldering is often preferred. Metal detector is used to check the persons in theatres, shopping malls, hotels etc. Homemade ir remote using 555 ic by free circuit lab.