Pololu - 0.100" (2.54 mm) Breakaway Male Header: 1×40-Pin, Straight, Black
Gold 1 Pin | PinMart
Wire Connectors, 12 Pack Low Voltage Wire T tap 1 Way connectors 1 Pin solderless with no Wire-Stripping Required for Mid-Span Branching in Wires Connection 20/22 AWG Cable 0.2-0.5mm, Brightfour: Amazon.co.uk: DIY