Double sided home-etched PCBs require a lot of patience and luck. Both sides need to be aligned properly, and via wires have to be soldered between the layers so top and bottom are connected. The usual process for connecting the layers is to insert a small wire in each via hole and solder it. This […]
Tag Archives: vias
LPKF EasyContac rivets for vias
Charlie made his own Bus Pirate PCB and used LPKF EasyContac rivets (warning, page denies non-US IPs) to connect the front and back sides. He had to enlarge the vias to 31mils to fit the rivets, and suggests going even bigger if possible. There’s more discussion on Charlie’s blog and at CNC Zone. The LPKF […]