MOSI
MISO
SCK
ROW_3
RESET
COL_3
COL_1
RESET
ROW_4
ROW_2
BUZZER
MOSI
ROW_1
ROW_1
SCK
LED_G
RESET
ROW_3
LED_R
COL_2
MISO
LED_G
COL_1
ROW_2
COL_2
LED_R
ROW_4
COL_3
BUZZER
R5
Resistance
150 Ω
C2
Capacitance
4.7uF
C7
Capacitance
1uF
C6
Capacitance
1uF
+5V
R4
Resistance
150 Ω
+5V
+5V
R1
Resistance
5.11kΩ
VBAT
+5V
+5V
R3
Resistance
2.2kΩ
+5V
C8
Capacitance
0.1uF
+5V
R2
Resistance
10kΩ
+5V
Q1
U1
L1
Not Recommended for New Designs
Inductance
2.2uH
RED
*
BAT1
0
RST
D1
8
C5
Capacitance
22uF
5
IC1
C1
Capacitance
120pF
GREEN
C4
Capacitance
22uF
6
C3
Capacitance
22uF
2
1
9
ISP
BZ1
7
#
3
4
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