WordClock-1 Assembly Guide 12/08/19 Version 1.2
Page 6
Bill of Materials
Reference Qty
Part
Value
Note
R1-R2
2 Resistor
4.7k ¼ watt yellow-violet-red-gold or
yellow-violet-black-brown-gold
R3-R4
2 Resistor
10k ¼ watt
brown-black-orange-gold or
brown-black-black-red-gold
R5
1 Resistor
120k ¼ watt brown-red-yellow-gold or
brown-red-black-orange-gold
R6-R9
4 Resistor
470R ¼ watt
or 315R
Surface mount. 470R for Orange, Super
Red, and Light Green, Others 315R
C1-C2
2 Capacitor
330uf 25v
Electrolytic
C3-C8
5 Capacitor
100nf
C9
1 Capacitor
100nf
Surface mount 1210 marked 104
D1
1 Diode
1N4001
D2-D3
2 Zener Diode
1N5819
F1
1 Poly Fuse
500mA
Labeled .050
J1
1 Power Jack
2.1mm
J2
1 SD Card
Connector
DM1AA-SF-PEJ
J3
1 Audio Jack
3.5mm
SJ-3523-SMT-TR CUI,Inc.
J4
1 Header
1x8 2.54mm Female
J5
1 Header
1x8 2.54mm Male 90 degree
J6-J7
2 Header
1x4
Not used
1 Header
1x40
Cut in two 19 pin for microcontroller
L1
1 Inductor
100uH
LED1-6
6 LED
16 segment .8” LED alphanumeric display
LED7-10
4 LED
3mm LED
LED11-16
7 LED
APA102 SMD RGB LED
Q1
1 Sensor
TEPT4400
Ambient light sensor. Looks like an LED,
clear lens, long leads.
PZ1
1 Buzzer
Piezo buzzer, 11mm lead spacing
SW1-2
2 Button
90 degree pushbutton
U1
1 IC
LM2576T5.0 Switching 5v regulator
