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LCD display
SIM800L 4 frequency communications
3V Pin: 50 mA
1x PCA9685 16-Channel 12-bit PWM Servo Driver
Stepper Motor 5V 28BYJ-48 32-step 1/16 gearing 4-Phase 5-Wire rfid LCD display100% Brand new and high quality Made of high quality material, more durable. Low noise, reliable use DC 5V 4 phase stepper motor Stepper motor with a standard interface for direct insertion Reduction ratio: 1 16: 5 wires 4 phases, you can use the normal chip controller uln2003 can also be connected in two phases to support the development board Supporting the use of a direct plug and easy to use stepper motor used in the development board.
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