Schematic of Tiny Motor Control board
C2
Capacitance
10uF
U2
Q1
C1
Capacitance
10uF
R2
Resistance
1MΩ
C4
Capacitance
10uF
R1
Resistance
30KΩ
C3
Capacitance
10uF
J1
J3
U1
J2