ESP8266 Stepper Motor Control with ULN2003 Driver Module

Stepper Motor + ULN2003 Driver Module 구입하기>> 28BYJ-48 – 5V Stepper Motor Spec Rated voltage : 5VDC Number of Phase 4 Speed Variation Ratio 1/64 Stride Angle 5.625° /64 Frequency 100Hz DC resistance 50Ω±7%(25℃) Idle In-traction Frequency > 600Hz Idle Out-traction Frequency > 1000Hz In-traction Torque >34.3mN.m(120Hz) Self-positioning Torque >34.3mN.m Friction torque 600-1200 gf.cm Pull…

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