Hi all
the good Pinpointer Petrapin .the pcb 13 cm x 1.5 cm.
the improved pcb,top Component, Schematic .the test result 5~6 small metal ,
9~12 cm big metal .
best time
j.
the good Pinpointer Petrapin .the pcb 13 cm x 1.5 cm.
the improved pcb,top Component, Schematic .the test result 5~6 small metal ,
9~12 cm big metal .
best time
j.
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