GND
VIN
R3
Resistance
1.5kΩ
AREF/PB0
PB1
R2
Resistance
68 Ω
R4
Resistance
220 Ω
XTAL1/PB3
PB2
XTAL2/PB4
R5
Resistance
220 Ω
R1
Resistance
68 Ω
+5V
~RESET~/PB5
R7
Resistance
10kΩ
R8
Resistance
10kΩ
SW3
End of Life
C3
Capacitance
10uF
R9
Resistance
10kΩ
D3
J1
LED1
D2
SW2
End of Life
R6
Resistance
10kΩ
SW4
End of Life
C4
Capacitance
10uF
SW1
End of Life
LED2
U1
D1
J2
U2