The board producer and seller is MicroWorks: http://microworks.en.alibaba.com/

Specifications:

• Model: 18A
• Applied motor: 350W
• motor size: 14 inches
• Alarm Levels: 1 levels
• Rise Pedal: >15 km/h
• Speed Max: 18 km/h
• Voltage: 67.2v
• Operated Voltage: 55-67.2 V
• Ports XT60
• Manufacture: MW

Oscilloscope signals

The next signals show the microcontroller signal and the signal on the gate of mosfets. The cursor shows the delta time between both signal - represents the delay on the circuit and we need this values to configure the dead time of PWM signal.

Bridge High side turn on:

Bridge High side turn off:

Bridge Low side turn on:

Bridge Low side turn off: