R35
Resistance
220 Ω
~A
R23
Resistance
220 Ω
R32
Resistance
220 Ω
~B
~C
COMMON_CLK
A
R18
Resistance
10kΩ
R33
Resistance
220 Ω
GNDTERMINAL
R34
Resistance
220 Ω
R24
Resistance
10kΩ
VCC
R9
Resistance
100kΩ
B
R30
Resistance
220 Ω
~RST
R15
Resistance
220 Ω
R31
Resistance
220 Ω
R21
Resistance
10kΩ
UP/~DOWN
R8
Resistance
10kΩ
C
OR4-3
RV2
Resistance
100kΩ
INV-2
INV-3
INV-1
AND4-5
AND4-1
D9
D12
JK-2
JK-1
AND2-1
INC
Note 1
Line 1
Manual Count Push Button when Auto Count is disabled Debounce Circuit added No lock
SW3
C11
Capacitance
0.1uF
PWM For LED Brightness
SW4
C9
Capacitance
0.1uF
PAUSE
RESET
C15
Capacitance
0.1uF
Note 4
Line 1
Push button by default is counting up, when pressed should count down.
Line 2
Locking
BUF-1
C
C17
Capacitance
0.1uF
B
C16
Capacitance
0.1uF
Note 2
Line 1
Auto Count Enable/Disable Toggle
Line 2
By default counting is on
Note 3
Line 1
Manual Reset Button No lock
A
DOWN
RST
SW5
SW2
C12
Capacitance
0.1uF
C10
Capacitance
0.1uF
C8
Capacitance
0.1uF
C14
Capacitance
1uF
C6
Capacitance
0.1uF
C27
Capacitance
0.1uF
C13
Capacitance
0.1uF
555-2
C1
Capacitance
22nF
JP1