Bill of material
Component
Quantity
Jameco
Part
Number
Manufacturer Part
Number
1
PIEZO BUZZER
1
2098523
2
SW1, Switch Push Button OFF (ON)
1
315432
3
Connector Power Male 3 Position
1
151590
4
PROTOTYPE BUILDER,4.5 INCH x3.3 INCH ,PCB
1
105137
5
U1, Standard Regulator 5V, 100mA
1
51182
78L05
6
D1, DIODE, 400V, 1A
1
35991
1N4004
7
VR1, POTENTIOMETER,1M,RV24AF-10-15R1-
B1M,LINEAR TAPER, 1/2 WATT,.335 INCH
1
255582
8
KNOB,1/4 INCH SHAFT,27.1MM,JK-
901C,BLACK/ALUMINUM,WITH SET SCREW
1
264955
9
VR2, POTENTIOMETER,100K OHM,3362P-
104LF,SINGLE TURN,.5 WATT,CERMET
1
254036
10
U2, IC,LM556N,DUAL TIMER,DIP-14
1
24328
LM556CN
11
U3, IC, CD4013, DIP-14
1
12677
CD4013
12
U4, U5, IC, CD4017, DIP-14
2
12749
CD4017
13
U6, U7, U8, Transistor Darlington NPN 50V 0.5A 16-Pin
PDIP
3
34278
ULN2003A
14
U2, U3 SOCKET, IC,14PIN
2
37197
15
U4 - U8 SOCKET, IC,16PIN
5
37402
16
Q1, Q2, TRANSISTOR,2N3906,PNP,GP
2
38375
2N3906
17
Q3, TRANSISTOR,2N3904,NPN,GP
1
38359
2N3904
18
LED0 - LED19, LED, Uni-Color Green
20
693901
19
LED20, LED, Uni-Color Red
1
2006730
20
C1, C2 CAP,RADIAL,100uF,50V,20%,85C
2
29962
21
C3, CAPACITOR,RADIAL,1UF,25V, 20%,85C
1
330431
22
C4, CAP,MONO,.22uF,50V,20%
1
25540
23
C5, C8, CAP,MONO,.1uF,50V,20%
2
25523
24
C6, CAP,MONO,.001uF,50V,20%
1
81517
25
C7, CAPACITOR,CERAMIC,DISC,.0022UF
1
1947386
26
C9, CAP,RADIAL,4.7uF,50V,20%,85C
1
31000
27
R1, R12, R14, R15, RESISTOR,CARBON FILM,47K
OHM,1/4 WATT,5%,
4
691260
28
R2, RESISTOR,CARBON FILM,2M OHM,1/4 WATT,5%
1
691649
29
R3, R4, R13, R16, RESISTOR,CARBON FILM,10K
OHM,1/4 WATT,5%
4
691104
30
R5 - R7,.RESISTOR,CARBON FILM,680 OHM,1/4
WATT,5%
3
690822
31
R8 - R11, RESISTOR,CARBON FILM,470K OHM,1/4
WATT,5%
4
691500