A program to decode Morse code via sound input of PDA to text. No additional hardware required - your need only receiver and PDA with sound input. Built-in microphone of device can be used also. ...

Babyphone with unlimited range. You have some parameters to setup the babyphone , such as microphones sensitiveness , or reaction thresholds. Additonal you can define a calling delay and a maximum number of calls for protecting against false alarms. ...