‘FunKlock’
Issue 5 (14 November 2019)
www.pvelectronics.co.uk
- 6 -
3. LIST OF COMPONENTS
3.1 Table of Electronic Components
Circuit Designation
Part Description
Resistors
R1
4.7K, ¼ Watt
R2
390K, ¼ Watt
R3, R4, R5
4.7K, ¼ Watt
R6 - R9
1K or 1.1K, ¼ Watt
R10 - R13
2.7K, ¼ Watt
R14, R15
4.7K, ¼ Watt
R16, R17
390K, ¼ Watt
R18, R19
270R 1/4 Watt
Capacitors
C1, C2
100nF Ceramic
C3
1uF 250V Electrolytic
C4
220uF 16-25V Electrolytic
C5
15pF Ceramic
C6
33pF Ceramic
C7
100nF Ceramic
C8
0.1F or 0.22F
Transistors
Q1
IRFD220 MOSFET
Q2 – Q5
EL817 Optocoupler
Q6, Q7, Q8
MPSA42 NPN
Diodes
D1, D3
1N5819
D2
1N4001
D4
UF4004
D5 - D8
3mm LED (various colours)
Integrated Circuits
IC1
78L05 5V voltage regulator
IC2
PIC16Fxxxx 8-bit microcontroller
IC3
74141 / K155ID1 Nixie driver
Miscellaneous
L1
100uH Radial Inductor
AM, PM
4mm wire ended neon lamp
SET, ADJ
Miniature push button
IC Socket for IC2
28 Way IC socket for IC2
J1
2.1mm PCB power socket
J2, J5
10 way pin header
J3, J4
10 way socket
FUSE
500mA fuse
Insulation
Clear insulation for neons
X1
32.768KHz watch crystal
Misc
44 X 1mm sockets
Deka
3 way 0.1” Male Header for
DekaDuo