Q:
What sort of hardware and software do I need to use for this program?

A:
These are compatible boards for the parallel port software, however there may be more from different companies that will still work.

A Parallel Port Relay Board assembled or in kit form can be purchased at :

Electronics123 Kit 

Electronics123 USA assembled

Carl's Electronics USA

Ozitronics Located in Australia

Qkits Canadian

Quasar Electronics Located in the UK

Assembled or in kit form these will need a power supply and a printer cable.

Suitable for Serial Timer

This is a list of locations that can supply the K108 serial port to relay board

Electronics123 USA

Carl's Electronics USA

Ozitronics Located in Australia

Qkits Canadian

VOTI Located in The Netherlands

 

 A 12VDC power source such as a 12VDC 450mA plug pack is required to operate the relays.  

 

Suitable for Serial Timer USB

Relayduino USB/RS485 IO Module 12VDC from Ocean Controls

8 Channel USB Relay from Pencom