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U1
J
J3
J
J7
pf
J1
R3
Resistance
1kΩ
U2
pf
R1
Resistance
500 Ω
R2
Resistance
500 Ω
C2
Capacitance
0.1uF
C1
Capacitance
0.1uF
R4
Resistance
47kΩ
LED2
C3
Capacitance
Capacitance
10k
Resistance
500 Ω
LED1
C4
Capacitance
0.1uF

microcontroller board

microcontroller board thumbnail