| Section | Content | |--------|---------| | Pinout diagram | Step/dir pins, limit switch connections, spindle PWM | | Jumper settings | Microstepping configuration (1/8, 1/16 step) | | Power specs | Voltage range (e.g., 12V DC, 5–10A) | | Software setup | Basic guide for Candle or GrblController | | GRBL commands | $$ to view settings, $X to unlock alarms |