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16U2_PB6
+5V_3V3
+5V_3V3
+AREF
IO8
C19
Capacitance
10uF
16U2_RESETn
AD1
IO6
C13
Capacitance
10uF
C24
Capacitance
100nF
C34
Capacitance
10uF
+AREF
+3V3
C12
Capacitance
10uF
C33
Capacitance
100nF
16U2_RX_LED
C21
Capacitance
10uF
AD5_SCL
+3V3
16U2_MISO
IO5
C26
Capacitance
100nF
C23
Capacitance
100nF
IO2
+5V_3V3
16U2_RX_LED
IO0
C20
Capacitance
100nF
C3
Capacitance
10uF
IO7
+5V_3V3
328P_RESETn
C9
Capacitance
18pF
+5V_3V3
+5V_3V3
C4
Capacitance
100nF
C7
Capacitance
1uF
+5V_3V3
16U2_MOSI
C10
Capacitance
18pF
C5
Capacitance
100nF
16U2_PB4
IO9
+5V
+5V_3V3
MOSI
IO1
IO8
+5V
16U2_TX_LED
C29
Capacitance
100nF
AD0
C6
Capacitance
100nF
16U2PROG_328P_RESETn
AD3
IO3
+5V
16U2_TX_LED
16U2_PB7
+5V_3V3
C27
Capacitance
18pF
AD4_SDA
16U2_PB5
IO4
C25
Capacitance
18pF
C22
Capacitance
10uF
SS
MISO
+5V_3V3
+5V_3V3
AD2
FB3
R27
Resistance
0 Ω
R16
Resistance
1MΩ
R4
Resistance
10KΩ
R25
Resistance
22 Ω
R17
Resistance
560 Ω
R2
Resistance
560 Ω
R15
Resistance
560 Ω
FB2
R9
Resistance
1MΩ
R14
Resistance
10KΩ
R28
Resistance
0 Ω
R7
Resistance
22 Ω
R11
Resistance
1KΩ
R3
Resistance
560 Ω
R10
Resistance
1KΩ
R26
Resistance
0 Ω
R6
Resistance
22 Ω
R13
Resistance
22 Ω
R1
Resistance
100KΩ
R21
Resistance
10KΩ
R22
Resistance
560 Ω
LED1
Z2
Not Recommended for New Designs
U4
LED2
U7
Y2
U1
Not Recommended for New Designs
Manufacturer Part Number
ATMEGA328P-PU
Y1
JP4
SW2
LED3
LED4
U3
U2
Manufacturer Part Number
ATMEGA16U2-AU
28 PINS PROJECT