Or, if this is meant as a more "permanent" installation - tin the pins sticking up, tin the wires, and solder them together. Another option would be to wire-wrap the pins (but you'd have to get wire-wrap wire and a tool to do it)...
Or, if this is meant as a more "permanent" installation - tin the pins sticking up, tin the wires, and solder them together. Another option would be to wire-wrap the pins (but you'd have to get wire-wrap wire and a tool to do it)...