[Jean-Noel] is fixing a broken Lurem woodworking machine. This machine uses a three-phase Dahlander motor, which has three operation modes: stop, half speed, and full speed. The motor uses a special ...

I am using an Arduino to control the motors (USART mode). I configured the right UART because it has a 5V tolerance. However, I have the problem that the two motors do not always run simultaneously.