document: The open-source HCS project Despite the rumors , the HCS II project is not dead . In fact , HCS has been licensed and is now an open-source project . In this article , the author brings us up to speed on the HCS II project 's past , present , and future . The HCS II is an expandable , standalone , network-based -LRB- RS-485 -RRB- , intelligent-node , industrial-oriented supervisory control -LRB- SC -RRB- system intended for demanding home control applications . The HCS incorporates direct and remote digital inputs and outputs , direct and remote analog inputs and outputs , real time or Boolean decision event triggering , X10 transmission and reception , infrared remote control transmission and reception , remote LCDs , and a master console . Its program is compiled on a PC with the XPRESS compiler and then downloaded to the SC where it runs independently of the PC
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