$50 long-range active RFID for HA

There has been considerable interest in long-range active Radio Frequency Identification (RFID) for use with home automation systems.

One can get a set of active (315 MHz or 433MHz) RFID receiver (with RS-232 interface) and transmitter PCBs with a claimed range of 8 meters (keyfob)

40 meters (car accessory) for about $50 depending on device, enclosures and antenna chosen.

And here are complete ' CheaperRFID ' devices:

And the Hong Kong supplier These devices reportedly send a four-digit alpha-numeric signature that takes 11 milliseconds to transmit every 2.5 seconds with CR2025 (coin) battery life of ~5000 hours.

User guide, FAQ, VB demo ActiveX control are available zipped up here:

There is an active Homeseer forum about these devices and HS plug-in development:

... Marc Marc_F_Hult

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Posted 5 years ago by Marc_F_Hult in General Home Automation

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