Making Metal Detector on breadboard step by step guide

كيف تصنع بنفسك جهاز للكشف عن المعادن

This video shows BFO Metal Detector components position on breadboard.
Materials :
Jumper Wire (1~7, 19~27)
10k Resistor * 6 (8~13)
2.2Mega Resistor * 1 (14)
39k Resistor * 2 (15,16)
1k Resistor * 1 (17,18)
C1815 NPN Transistor * 6 (28~33)
0.01μF(103) Polyester film capacitor * 5 (34~38)
0.1μF(104) Polyester film capacitor * 5 (39~43)
16V 220μF Electrolytic Capacitor * 1 (44)
LED * 1 (45)
Speaker * 1 (46)
9V battery
Enameled wire
Glue Stick
Brass tube