The program using the LPT-port to selectively switch on/off up to 12 electrical devices. Devices can be managed by the following main ways: manually; using the five sensors; the contents of two text files f1 and f2; timer; from any computer of LAN.
It is true that a home brewers progress towards perfection in beer making is proportional to the brewing records kept. Record all the details of every brew you produce, print reports, labels, tasting sheets and a shopping list. Very user friendly.