AnasSarkiz/NEMA14_CH32X035G8U6

A NEMA stepper motor is shown with proposed M3 screws/spacers, four wired motor leads and splices, and a JST SHR-04V-S connector.

Version
1.12.2
License
ISC
Stars
0

src/schematic-notes.json

[
  [
    "U_MCU - CH32X035G8U6",
    "USB computer control; generates STEP/DIR.\nFirmware must check PD before motor enable.\nInternal clock avoids an external crystal."
  ],
  [
    "U_PD - CH224K",
    "USB-C PD sink requests a 15 V motor supply.\nPG reports a completed power negotiation."
  ],
  [
    "U_BUCK - AP63203WU-7",
    "3.3 V buck for MCU, logic and PWM buzzer.\nDiode OR accepts programming USB or PD."
  ],
  [
    "U_DRV - A4988",
    "Two current-regulated bridges drive the coils.\nSTEP/DIR interface; fixed 1/16 microstepping.\n0.24 ohm sense resistors set phase current."
  ],
  [
    "U_ESD - USBLC6-2SC6",
    "Clamps ESD on USB D+ and D- at the data port.\nVBUS pin references the USB protection diodes."
  ],
  [
    "U_TEMP / BZ1 / D_STATUS / D_PWR",
    "TMP102: I2C temperature, address 0x48.\nPWM magnetic buzzer and RGB status need firmware.\nPower LED indicates 3.3 V; RGB uses USB 5 V."
  ]
]