Metal Detector Dengan IC NE555 (Include PCB)
Niguru.com | Kamis, 28 Des 2023 | Metal detector adalah rangkain hobi yang senantiasa menarik untuk dicoba. Alat elektronik ini mampu mendeteksi keberadaan logam yang tersembunyi dibalik benda lain yang bukan logam.Dengan alat ini kita dapat menemukan koin, baut, potongan logam yang tersembunyi didalam wadah plastik atau wadah kayu. Dapat juga digunakan untuk menemukan keberadaan logam di dalam tanah, sehingga cocok juga digunakan oleh para pencari harta karun.
Berikut ini rangkaiannya:
Rankaian di atas menggunakan IC NE555 atau biasa disebut dengan IC 555 saja, yang dirangkai dengan konfigurasi AMV (astable multivibrator), dengan R1, C2 dan L1 sebagai rangkaian RLC yang menentukan frekuensi dari signal yang dihasilkan oleh AMV.
Nilai induksi L1 akan berubah apabila terdapat logam didekatnya, makin dekat logam maka nilai induksi L1 akan semakin besar, sehingga frekuensi yang dihasilkan akan semakin tinggi, maka speaker akan menghasilkan suara yang makin nyaring.
Berikut ini PCB dari rangkaian tersebut.
PCB tampak atas:
PCB tampak bawah:
Layout dari tata letak komponen:
File PCB dapat didownload di: Download PCB Metal Detector
Demikianlah penjelasan mengenai rangkaian metal detector berbasis IC NE555.
Selamat mencoba .. Have a nice day :-)
www.Niguru.com (Nino Guevara Ruwano)
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