PIC Sonar ranger - Ultrasonic range finder

Item  Part Value      Description                    Qty   Parts
1     10u             electrolytic capacitor         1     C1
2     100n            Capacitor                      8     C2 C3 C17 C18 C19 C20 C21 C22
3     Power CNTR      Power Connector socket         1     CN1
4     PIC HEADER      PIC Micro ICSP Header 6 way    1     CN2
5     1N4148          diode                          3     D1 D7 D8
6     Ultrasonic RX   microphone                     1     M2
7     100             resistor                       1     R13
8     1M              resistor                       1     R21
9     2k7             resistor                       2     R24 R28
10    2k2             resistor                       2     R25 R29
11    100k            resistor                       3     R22 R23 R30
12    10k             resistor                       2     R27 R31
13    1k              resistor                       7     R19 R20 R26 R32 R33 R34 R35
14    7SEG_LED        Quad seven segment display     1     SEG1
15    BC547B          Low power NPN Transistor       9     TR2 TR4 TR5 TR6 TR7 TR8 TR9
                                                           TR10 TR11
16    LM7805C         5V 1A voltage regulator        1     U1
17    16F88           Microcontroller                1     U5
18    LM311           Comparator                     1     U6
19    10k             preset                         1     VR2
20    Ultrasonic Tx   Ultrasonic piezo sounder       1     WD1
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Total parts 48