Introduction - If you have any usage issues, please Google them yourself
Form a complete set of the latest 1 t 21 (STC12C5A60S2 SCM) experiment, note LCD12864 stepper motor need to use their phones to 5 v for the electrical power supply, otherwise may affect the experimental result, due to the computer USB port current is small, the experimental method in detail please see each experiment shows that in the next year to do the experiment.