WordClock-4 Assembly Guide 05/15/21 Version 0.8
Page 7
R21, R24
2
Resistor
4.7k ¼ watt
Yellow-violet-red-gold or yellow-
violet-black-brown-gold
R100 Series
12/16 Resistor
22k
223 Surface mount 1210/1206
R200 Series
24/32 Resistor
24k
243 Surface mount 1210/1206
R300 Series
42/56 Resistor
27k
273 Surface mount 1210/1206
R400 Series
12/16 Resistor
33k
333 Surface mount 1210/1206
R500 Series
4
Resistor
270k
274 Surface mount 1210/1206 (6
Digit only)
SW1-SW2
2
Button
90 Degree pushbutton
U1
1
IC
CD4504
U2
1
IC
LM2576
U3
1
IC
74HC14D
8 Digit clock only
U4
1
IC
74AHC125D
6 Digit clock only
U5
1
Microcontroller
ESP32-PICO-
KIT
Programmed with WordClock
firmware
1
Header Strip
Cut into two to mount U5
HV1-HV3
3
IC
HV5530PGG-G
HV4
1
IC
HV5530PGG-G 8 Digit clock only
6/8
Screw
M3 8mm
6/8
Standoff
10mm
1
SD Card
Programmed with WordClock
languages database
1
Main Board
102 Socket pins
6 Digit clock only
136 Socket pins
8 Digit clock only
1/2
Female Header 2 x 6
Power supply connectors