Quantity PART NAME          VALUE           INSTANCES
1        SPEAKER            16 ohm 250 mW   SP1
1        Audio amplifier    LM386           IC6
1        Potentiometer      10k             VR1
1        Elco               10µ             C12
3        Elco               250µ            C7;C10;C6
2        Elco               47µ             C11;C4
1        Processor          PIC16F84        IC1
1        Christal           4Mhz            X1
1        Resistor           10              R3
1        Resistor           1k              R2
5        Capacitor          100n            C14;C9;C8;C5;C3
2        Capacitor          33p             C1;C2
1        Capacitor          47n             C13
2        Distance sensor    GP2D02          IC4;IC3
3        Diode              1N4148          D3;D1;D2
1        Voltage regulator  78L05           IC2
1        Voltage regulator  78L08           IC5