4 Lot- 28byj-48 Stepper Motor W/ Uln2003 Driver Control Board Arduino Dc 5v 4

US $460

  • Atlanta, Georgia, United States
  • Oct 23rd
4 motors and 4 control boards, NEW  - compatible with Arduino, teach your robot to move around with simple libraries and this motor control board! Motor Type Unipolar stepper motor Connection Type 5 Wire Connection (to the motor controller) Voltage 5-12 Volts DC Frequency 100 Hz Step mode Half-step mode recommended (8 step control signal sequence) Step angle Half-step mode: 8 step control signal sequence (recommended) 5.625 degrees per step / 64 steps per one revolution of the internal motor shaftFull Step mode: 4 step control signal sequence 11.25 degrees per step / 32 steps per one revolution of the internal motor shaft Gear ratio Manufacturer specifies 64:1. Some patient and diligent people on the Arduino forumshave disassembled the gear train of these little motors and determined that the exact gear ratio is in fact 63.68395:1. My observations confirm their findings. These means that in the recommended half-step mode we will have:64 steps per motor rotation x 63.684 gear ratio = 4076 steps per full revolution (approximately). Wiring to the ULN2003 controller A (Blue), B (Pink), C (Yellow), D (Orange), E (Red, Mid-Point) Weight 30g

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