The Fan Failure Warning system (FFW) was designed for Lone Star
Aviation's Cyclone 21 (3) Port fan with a (3 wire) TTL 5 V output. The
FFW system will switch the dual color LED from green to red when a
fan's RPM is reduced to less than 50% of the fans normal speed. The
FFW has an (optional circuit) designed to monitor the temperature of
a remote electronics bay or entertainment equipment & will turn on a
remote fan when the predetermined temperature has been reached.
The Fan Failure Warning system (FFW) was designed for Lone Star
Aviation's Cyclone 21 (3) Port fan with a (3 wire) TTL 5 V output. The
FFW system will switch the dual color LED from green to red when a
fan's RPM is reduced to less than 50% of the fans normal speed. The
FFW has an (optional circuit) designed to monitor the temperature of
a remote electronics bay or entertainment equipment & will turn on a
remote fan when the predetermined temperature has been reached.
