Toroid M-059, 7.5m of 0.4m single wire, osciloscope, signal generator square wave, breadboard, 6V power supply Veröffentlicht 6. Januar 2013 am 600 × 800 in Toroid M-059, 7.5m of 0.4m single wire, osciloscope, signal generator square wave, breadboard, 6V power supply