SDO
SDI
VCC
FPC-1
CS
SCK
GND
U2
R2
Resistance
10kΩ
C2
Capacitance
10uF
R3
Resistance
10kΩ
SA0
SJ4
SJ3
SJ2
R4
Resistance
10kΩ
C1
Capacitance
100nF
SJ1
SJ5