Raspberry Pi GPIO adapter board module for Raspberry Pi extension board V2.0 | eBay
DLN-2 USB-I2C/SPI/GPIO Adapter
Compatible With PI GPIO Adapter Board 40-pin For Breadboard Expansion Board - AliExpress
Tebru 1 to 3 port extension,GPIO Expansion Board 1 to 3 Port Extension 40-pin Board Module GPIO Adapter for Raspberry PI 2 , GPIO development board - Walmart.com