Schematic of broken-copper-fill-offset-Threads trailer
J2
R4
Resistance
1kΩ
R7
Resistance
300 Ω
R2
Resistance
100 Ω
R6
Resistance
300 Ω
R5
Resistance
10kΩ
D4
F2
U1
U4
J5
SW1
CHRG
.1
C3
Capacitance
10uF
DONE
C2
Capacitance
10uF
U5
C1
Capacitance
100nF
J1
Arduino Uno R3 PINOUT