While many of us have banished land line telephones from our houses, there are still quite a few people who utilize POTS lines today. These analog phone systems use Dual Tone Multi Frequency (DTMF) ...
The National Oceanic and Atmospheric Administration is responsible for broadcasting the signals used in weather radios. They use a protocol called Specific Area Message Encoding (SAME) and [Ray Dees] ...
The project involves coding the Arduino while sequencing 8 tone slots and the frequency of each slot would be controlled by a frequency knob. The controls on this console include four potentiometers ...
Makers, developers and hobbyists looking for a quick way to program RFID cards might be interested in a new Arduino compatible RFID reader development board called the RFID123 which has been created ...