Step 1: List of Materials
1 Round PCB of 30mm diameter
2 Electrolytic Capacitors
1 Voltage Regulator +9V, 1A
1 DC Power Jack for 9V plug in Wall Adapter/Transformer
1 Wall Adapter/Transformer Single Out 9V, 0.3A
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.