WordClock-1 Assembly Guide 12/08/19 Version 1.2
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Reference Qty
Part
Value
Note
U2
1 Microcontroller ESP32
Programmed with WordClock software
U3
1 IC
74AHC125D Quad buffer SMD
U4
1 IC
HT16K33
LED driver SOP28
108 Pin
Female pins for 16 segment display LEDs
2 Bracket
Keystone 4326
4 Standoff
Threaded 10mm
6 Screw
M3 8mm
2 Nut
M3
1 Silver Tape
Cut to cover the back of each
alphanumeric display
1 SD Card
Programmed with WordClock database
Circuit Board
Display and Main with V-score