DIY Metal Detector Electronic Kit

This is a DIY metal detector electronic kit. It includes a printed circuit board, buzzer, LED, transistors, resistors, capacitors, and a potentiometer. Assembly required, makes a fun project for learning electronics! Soldering Practice Board, 2 Set Electronics Kit Prototype PCB Board DIY Welding Circuit Metal Detector SMD/SMT for Beginner Experiment Teaching, 3-5V