MACHINE: fish hunting
black pan: GND
red pan:
A: co1
press 100
voltage change from 3.36V to almost 0V,and then come back to 3.36V
PRESS 10
3.36V,0.9V,3.36V
B: HP
press coin return
3.2V, 1.8V,3.2V
C: SSR
press coin return
5.0V, 0.48V, 5.0V
D: TF
press coin return
3.2V, 0V, 3.2V