Ripe melon detector

摘要: The ripe melon detector determines the ripeness of opaque fruit including melons by determining resonant frequency and correlating with information expected for melons. includes a sound transmitting transducer, transducer receiving from control circuit. An operator causes circuit to transmit frequencies fruit. controls transmitter receive returned in received are analyzed comparing them provide determination indicator system driven circuitry provides an indication may include lights, speaker, or text display.