Key Function Block of CPAL-27:

Power Supply Section
      »    Power Supply, Power Jack , Fuses, Variable Power Supply
Generator Section
      »    Primary / Secondary Function Generator, FM, AM and PFI , Amplifier, Clock output
Switches and Jacks
      »   Scope with Banana Jack, Slide Switches with LED's
      »   Switching Mode to 3.3 V, 9 number push button Matrix Key Pad
      »   LED Array, Probes, Buzzer
Audio / Display Section
      »   Audio Section, Microphone Input, Speaker Output, Audio Amplifier
      »   Dual Seven Segment Display, Operation and Control
Thermal & Sensor Section
      »   Slide State Relay, Operation and Control
      »   LDR with sensitivity Control, Input and Output Functionality
      »    Heater / thermistor with sensitivity control, Input and Output Functionality
PC Interface
      »    USB- Data Acquisition Card (ni-Daq-6008)