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74HC164 is an 8-bit serial-in/parallel-out shift register
bidirectional bus
Voltage regulator : 1 A / 3
Operating current: 8mA
The water flow sensor outputs pulse proportional to the water flow
Metal Caster Wheel for Robot-20mm Optical (Infrared) Motor Encoder 74HC164 is an 8-bit serial-in/parallel-outIntroduction : Metal Caster Wheel for Robot 20mm, is 1mm thick steel plate stamping on the machine, load 15KG no problem, and exquisite workmanship, this caster strong and lightweight, 20mm height wheel body, with a total weight of only 40gm. Features : Wheel Diameter: 15. 7mm. Overall Height: 20mm. Fixed Hole Diameter (below bearing wheel): 3. 1mm. Mounting Hole Diameter: 4mm. Mounting Holes Distance: 40mm.