ULN2003 Driver Board + 5V 4 phase 5 wire stepper Gear motor 28BYJ DC
Diameter: 28mm
Voltage: 5VStep angle: 5.625 x 1/64
Reduction ratio: 1/64
Micro 130 Air Pump Diaphragm Pump DC 3V-5V Oxygenation Sphygmomanometer Air Pump
280 Miniature water pump 3V - 5V strong magnetic 280 vacuum pump 120kpa
12V water pump micro centrifugal pump large flow circulating small water pump 37
12V high pressure booster pump 775 motor ultra high pressure
micro stepper motor two-phase four-wire 15mm stepper
DC12V High pressure water pump motor 2.8A current
stethoscope school experimental science kit doctor STEM DIY
Ultrasonic HC-SR04 Mount Holder ping sensor bracket
WS2812 RGB LED Breakout board module