Robodo1/2" Water Flow Sensor Control Switch, Fluid Flow Meter, 1-30L/min Flowmeter Counter, Compatible with Iduino YF-S201 (White or Black)

Robodo 1/2'' Water Flow Hall Sensor Control Switch Fluid Flow Meter Flowmeter Counter 1-30L/min Compatible with iduino YF-S201 (White or Black)

ApTechDeals Breadboard 840 point with jumper wires Set(10+10+10)

RoboCraze UNO R3 SMD Board compatible with Arduino | Development Board with USB cable