Amazon.com: Chanzon Round Pin Header Strip for Arduino Gpio 4 pin x 50pcs Male Headers Pins Straight Single Row Gold Plated Pitch 2.54mm 0.1 inch Breakaway for PCB Connector Raspberry pi Machine
Terminology and Specifications of Headers/Pinheaders - Rectangular Connectors - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
1.27mm Straight Pin Header Connectors Through hole | Smolex
2x40-Pin Male Single Row Header
Terminology and Specifications of Headers/Pinheaders - Rectangular Connectors - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
Addicore Black Female Header 1x8 Pins 0.1" (2.54mm) Spacing
Male Female 2.54mm pitch 40Pin Header Socket Single Double Row Connector Strip | eBay
uxcell 10 Pcs 2.54mm Spacing 40P Right Angle Male PCB Pin Header Gold Tone: Amazon.com: Industrial & Scientific