{"id":860,"date":"2026-06-12T15:54:09","date_gmt":"2026-06-12T07:54:09","guid":{"rendered":"https:\/\/projectleon.net\/make\/blog\/nema17-a4988-stepper-motor-setup-current-calibration-farsi\/"},"modified":"2026-06-12T20:37:19","modified_gmt":"2026-06-12T12:37:19","slug":"nema17-a4988-stepper-motor-setup-current-calibration-farsi","status":"publish","type":"post","link":"https:\/\/projectleon.net\/make\/blog\/nema17-a4988-stepper-motor-setup-current-calibration-farsi\/","title":{"rendered":"\u0645\u0648\u062a\u0648\u0631 \u067e\u0644\u0647\u200c\u0627\u06cc NEMA17 + \u062f\u0631\u0627\u06cc\u0648\u0631 A4988 \u2014 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0627\u0645\u0644 \u0648 \u062a\u0646\u0638\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 (\u0641\u0627\u0631\u0633\u06cc)"},"content":{"rendered":"
\nNEMA17 A4988 \u0645\u0648\u062a\u0648\u0631 \u067e\u0644\u0647\u200c\u0627\u06cc \u0622\u0631\u062f\u0648\u06cc\u0646\u0648 AccelStepper\n<\/div>\n
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NEMA17 \u0686\u06cc\u0633\u062a \u0648 A4988 \u0686\u0637\u0648\u0631 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u061f<\/h2>\n

NEMA17<\/strong> \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0646\u062f\u0627\u0632\u0647 \u0641\u0644\u0646\u062c \u0645\u0648\u062a\u0648\u0631 (\u06f1\u06f7\u00d7\u06f1\u06f7 \u0628\u0631\u0627\u0628\u0631 \u06f1\/\u06f1\u06f0 \u0627\u06cc\u0646\u0686 = \u06f4\u06f2.\u06f3mm) \u0627\u0633\u062a \u2014 \u0645\u062a\u062f\u0627\u0648\u0644\u200c\u062a\u0631\u06cc\u0646 \u0645\u0648\u062a\u0648\u0631 \u067e\u0644\u0647\u200c\u0627\u06cc \u062f\u0631 \u067e\u0631\u06cc\u0646\u062a\u0631\u0647\u0627\u06cc \u0633\u0647\u200c\u0628\u0639\u062f\u06cc\u060c CNC \u0648 \u0631\u0628\u0627\u062a\u200c\u0647\u0627. \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u06f2\u06f0\u06f0 \u0642\u062f\u0645 \u062f\u0631 \u0647\u0631 \u062f\u0648\u0631 (\u06f1.\u06f8\u00b0 \u0647\u0631 \u0642\u062f\u0645)\u060c \u06f2 \u0641\u0627\u0632 (bipolar).<\/p>\n

A4988<\/strong> \u06cc\u06a9 \u062f\u0631\u0627\u06cc\u0648\u0631 \u0645\u0648\u062a\u0648\u0631 \u067e\u0644\u0647\u200c\u0627\u06cc \u0628\u0627 \u0631\u0627\u0628\u0637 Step\/Dir \u0627\u0633\u062a: \u0647\u0631 \u067e\u0627\u0644\u0633 \u0631\u0648\u06cc \u067e\u0627\u06cc\u0647 STEP = \u06cc\u06a9 \u0642\u062f\u0645 \u0645\u0648\u062a\u0648\u0631. \u067e\u0627\u06cc\u0647 DIR \u062c\u0647\u062a \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0627 \u067e\u06cc\u0646\u200c\u0647\u0627\u06cc MS1\/MS2\/MS3 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 microstepping \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0631\u062f (1\/2\u060c 1\/4\u060c 1\/8\u060c 1\/16).<\/p>\n

\u062e\u0637\u0631:<\/strong> \u0627\u06af\u0631 \u0628\u062f\u0648\u0646 \u0645\u0648\u062a\u0648\u0631 \u0648\u0644\u062a\u0627\u0698 \u0628\u062f\u0647\u06cc A4988 \u062e\u0631\u0627\u0628 \u0645\u06cc\u200c\u0634\u0648\u062f! \u0647\u0645\u06cc\u0634\u0647 \u0645\u0648\u062a\u0648\u0631 \u0645\u062a\u0635\u0644 \u0628\u0627\u0634\u062f.<\/p>\n<\/div>\n

\u0627\u062a\u0635\u0627\u0644 A4988 \u0628\u0647 Arduino<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
A4988<\/th>\nArduino<\/th>\n\u0646\u06a9\u062a\u0647<\/th>\n<\/tr>\n<\/thead>\n
VMOT<\/td>\n12V \u0628\u0627\u062a\u0631\u06cc<\/td>\n\u062e\u0627\u0632\u0646 \u06f1\u06f0\u06f0\u03bcF \u0645\u0648\u0627\u0632\u06cc VMOT\/GND<\/td>\n<\/tr>\n
GND (VMOT)<\/td>\n\u0628\u0627\u062a\u0631\u06cc \u0645\u0646\u0641\u06cc<\/td>\n\u2014<\/td>\n<\/tr>\n
VDD<\/td>\n5V Arduino<\/td>\n\u0645\u0646\u0637\u0642<\/td>\n<\/tr>\n
STEP<\/td>\nD3<\/td>\n\u0647\u0631 \u067e\u0627\u0644\u0633 = \u06cc\u06a9 \u0642\u062f\u0645<\/td>\n<\/tr>\n
DIR<\/td>\nD4<\/td>\nHIGH\/LOW = \u062c\u0647\u062a<\/td>\n<\/tr>\n
MS1\/MS2\/MS3<\/td>\nHIGH\/HIGH\/HIGH<\/td>\n1\/16 microstepping<\/td>\n<\/tr>\n
ENABLE<\/td>\nGND (\u0641\u0639\u0627\u0644)<\/td>\nLOW = \u0641\u0639\u0627\u0644<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u062a\u0646\u0638\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 A4988<\/h2>\n

\u0628\u0627 \u0645\u0648\u0644\u062a\u06cc\u200c\u0645\u062a\u0631 \u0648\u0644\u062a\u0627\u0698 \u0631\u0648\u06cc \u067e\u062a\u0627\u0646\u0633\u06cc\u0648\u0645\u062a\u0631 \u0631\u0627 \u0628\u062e\u0648\u0627\u0646: Vref = I_max \u00d7 8 \u00d7 R_sense<\/code><\/p>\n

\u0628\u0631\u0627\u06cc NEMA17 1.5A \u0648 R_sense=0.1\u03a9: Vref = 1.5 \u00d7 8 \u00d7 0.1 = 1.2V<\/strong>. \u067e\u062a\u0627\u0646\u0633\u06cc\u0648\u0645\u062a\u0631 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646.<\/p>\n

\u06a9\u062f \u0628\u0627 AccelStepper<\/h2>\n
#include <AccelStepper.h>\n\/\/ AccelStepper \u0634\u062a\u0627\u0628 \u0648 \u0633\u0631\u0639\u062a \u0646\u0631\u0645 \u062f\u0627\u0631\u062f \u2014 \u0628\u0647\u062a\u0631 \u0627\u0632 delay \u062e\u0627\u0645\nAccelStepper motor(AccelStepper::DRIVER, 3, 4);  \/\/ STEP=D3, DIR=D4\n\nvoid setup(){\n  motor.setMaxSpeed(3200);    \/\/ \u0642\u062f\u0645\/\u062b\u0627\u0646\u06cc\u0647 (1\/16 step = 200\u00d716=3200 per rev)\n  motor.setAcceleration(800); \/\/ \u0634\u062a\u0627\u0628\n}\n\nvoid loop(){\n  \/\/ \u062d\u0631\u06a9\u062a \u06f1 \u062f\u0648\u0631 \u06a9\u0627\u0645\u0644 \u062c\u0644\u0648\n  motor.moveTo(3200);\n  while(motor.distanceToGo() != 0) motor.run();\n  delay(500);\n\n  \/\/ \u06f1 \u062f\u0648\u0631 \u0628\u0631\u0639\u06a9\u0633\n  motor.moveTo(0);\n  while(motor.distanceToGo() != 0) motor.run();\n  delay(500);\n}<\/code><\/pre>\n
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