This 33mm (1.3") long cone tipped pogo pin probe is normally used for electronic JTAG uses, but we use them for bots!
The idea of a DIP socket is to allow easy insertion/replacement of chips in existing circuits.
2.1mm barrel power jack socket. For connecting barrels, I mean "power leads"!
The I2C-It is a great sensor, and is only more so when used as part of a greater chain. Use the I2C-It Cable harness and pin set to set up multiple sensors!
Use this 60cm/24" sensor cable to plug in your Phidgets sensor to the Interface Kit 8/8/8.