PES-2402 can be used by steps as follows.
It is not possible to use PES-2402 alone. Please be sure that connection to a PHPoC board is required.
PHPoC Debugger is a software which is used for configuring PHPoC products and developing PHPoC script. It is requried to install this software on your PC because PES-2402 must be controlled by PHPoC.
The SPC library is for smart expansion boards such as PES-2402. This library makes it easy for you to use smart expansion boards. Refer to the manual page of SPC library for more information.