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The onboard microSD card reader is accessible through the SD Library
which lets you connect directly to external circuits and to multiple breadboards
ESP32 Development board is based on the ESP WROOM32 WIFI + BLE Module
and works with a Mini-B USB cable instead of astandard one
TIP125 Darlington Transistor (60V
Stepper Motor - 5V Unipolar (High Quality) Infrared The onboard microSD card readerIntroduction : This is a 5V high torque 4 Phase stepper motor with more than 2000 steps per revolution. It has enough torque to move small robots. The motor can be connected with gear shaft and propeller. Features : High quality stepper motor Voltage: DC 5V Diameter: 25mm Step Angle: 5. 625 x 1 64 Reduction Ratio: 1 64 Rated voltage 5VDC Number of Phase 4 Speed Variation Ratio 1 64 Stride Angle 5. 625 64 Frequency : 100Hz DC resistance 507%(25) Idle
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