Micromake D1 → MKS Gen L V2.1

Marlin 2.1.2.5 configuration & wiring guide

• Board: Makerbase MKS Gen L V2.1
• Firmware tag: 2.1.2.5
• Display: RepRapDiscount Smart Controller (LCD 2004, 20 × 4)
• Drivers: TMC2209 @ 1⁄16 µ‑step (UART mode)
• Features: heated bed & hot‑end, fixed Z‑probe button, dual fans

• Aliexpress: Makerbase original MKS GEN L V2.1 3D printer control card 8bit motherboard tmc2209

1 · What’s in this files

• Configuration.h & Configuration_adv.h already tuned for Micromake D1 geometry.
• English 20×4 LCD presets.
• Safe temperature limits (270 °C hot‑end / 120 °C bed).
• Smart auto‑fan on MOSFET D.
• Updated motion limits for faster homing (100 mm/s).
• EEPROM, SD‑card, auto‑delta‑calibration G33 ready.

2 · Very similar to the model Anycubic Kossel

MarlinFirmware Configurations

3 · Pin correspondence (old board → new)

Function	Makeboard Mini 2.1.2	MKS Gen L V2.1
X‑STEP / DIR / EN	54 / 55 / 38	X.STEP / X.DIR / X.EN
Y‑STEP / DIR / EN	60 / 61 / 56	Y.STEP / Y.DIR / Y.EN
Z‑STEP / DIR / EN	46 / 48 / 62	Z.STEP / Z.DIR / Z.EN
E0‑STEP / DIR / EN	26 / 28 / 24	E0.STEP / E0.DIR / E0.EN
X‑MAX	pin 2 (E4)	X+ JST
Y‑MAX	pin 15 (J0)	Y+ JST
Z‑MAX	pin 19 (D2)	Z+ JST
Z‑MIN / Probe	pin 18 (D3)	Z‑ JST
Heater‑0	D10	HE0 screw
Bed Heater	D8	BED screw
Thermistor‑0 / Bed	A13 / A14	TH0 / THB
Fan 0 (model)	D9	FAN screw
Fan 1 (hot‑end)	D7	MOSFET D
VIN	XT‑30	2‑pin 12–24 V in

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4 · After flashing:

M502  ; load defaults
M500  ; save
G28   ; home
G33   ; auto‑calibrate

p.s The BEEEPER is very loud >_<