PCB Header 40Pin 2mm Pitch Single Row This is a 40-pin header with 2mm pitch that mates with 2mm spacing. It can be used for making ‘dummy XBees’, esp8266 headers or anything else you want!
PCB Socket 5Pin 2mm Single Row
PCB Socket 4Pin 2mm Single Row
PCB Socket 2Pin 2mm Single Row
PCB Socket 8Pin 2mm Single Row
PCB Header 40Pin Double-Sided Single Row This connector is a single-row, 40-pin, straight male header strip that can be cut or broken into smaller strips.
Crimping Pliers Engineer PA-21 These crimping pliers allow you to easily make your own wiring harnesses using crimp pins and cable housings.
Stackable 0.100″ Female Header: 2x20-pin, Straight This stackable 40-pin female header features two rows of 20 pins spaced with a standard 0.1″ (2.54 mm) pitch; this spacing is the same as on most solderless breadboards and matches 0.1″ male header strips.
Stackable 0.100″ Female Header with Extra 0.3″ Spacer: 2x20-pin, Straight This extra-tall stackable 40-pin female header features two rows of 20 pins spaced with a 0.1″ (2.54 mm) pitch. It includes three 0.1″-thick spacers for additional clearance, and the extended pins allow multiple units to be stacked as popularized on Arduino shields.
PCB Socket 6Pin Single Row
PCB Socket 10Pin Single Row
PCB Socket 9Pin Single Row