R5
Resistance
150 Ω
MOSI
MISO
SCK
ROW_3
R4
Resistance
150 Ω
COL_3
COL_1
RESET
ROW_4
MOSI
ROW_1
SCK
LED_G
RESET
LED_R
MISO
LED_G
COL_2
LED_R
R2
Resistance
10kΩ
BUZZER
A7
TXD/D1
A5/D19
A4/D18
A2/D16
D21
D20
RXD/D0
A6
A3/D17
D10
+5V
RED
+5V
+5V
GREEN
+5V
RST
ISP