We can easily lead out pins of the Raspberry Pi to breadboard by GPIO Extension Board to avoid damage caused by frequent plugging in or out. This is our 40-pin GPIO Extension Board and GPIO cable for Raspberry Pi model B+ and Raspberry Pi 2 model B.
Connect the GPIO cable to the Raspberry Pi B+ like this:
After connection, it is shown as follows:
This is our 26-pin GPIO Extension Board and GPIO cable for Raspberry Pi B.
Connect the GPIO cable to the Raspberry Pi B like this:
After connection, it is shown as follows:
