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10 Pcs 1x40 Pin 2.54mm Pitch Straight Single Row PCB Female Headers

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10 Pcs 2x40 Pin 2.54mm Pitch Double Row PCB Pin Headers

Kalevel® 120pcs Multicolored 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit

Diymall Esp8266 Serial Wifi Wireless Transceiver Module Esp-01 for Arduino UNO R3 Mega2560 Nano