for this we'll need an old (or new) Antenna rotor, a 5v relay shield, a threaded rod and nut, a coupler and a stepper motor and driver. A word of CAUTION: This part of the project involves the Rotor control box using 120V AC so we need to make sure nothing is connected to power...
The invention relates to a remote control unit for intelligent digital audiovisual reproduction systems, comprising storage means, payment means, a sound control circuit, display means and a metal chassis wherein said remote control unit comprises a distant radio frequency transmitter that is associated...
Management device for a network of audiovisual information reproduction systems or jukeboxes, including a database with a plurality of sets of arrays, each array containing grouped information either about the composition of a jukebox, or the use of the jukebox, or the payment of fees. The ...
This can be done by creating peak hold maps of RFI filtered (TF)—unfiltered (TA) antenna temperatures, separately for ascending and descending swaths (Figure 10a), mask cells where this difference exceeds a threshold (0.2 K) and then extend this mask by a certain amount (±4◦) in ...