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Magic&shell 3 PCS KY-040 Rotary Encoder Module Brick Sensor Development with Knob Cap for Arduino
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About Magic&shell 3 PCS KY-040 Rotary Encoder Module
Product Introduction: Type: KY-040 Rotary Decoder Encoder. Operating Voltage: 5V. One round number of pulse: 20. Width: 19mm/0.75 Inches. Length: 26mm (31mm including pins)/ 1.02Inches(1.22 Inches). Height: 30mm/1.18 Inches. Material of Knob Cap: Aluminium Alloy. Diameter of Knob Cap: 15mm/ 0.59 Inches. Height of Knob Cap: 16.5mm/ 0.65 Inches. Package:3 PCS. Pin description: CLK - equivalent to output A in regular encoder. DT - equivalent to output B in regular encoder. GND - equivalent to output C in regular encoder. SW - reset switch. + (VCC) - positive supply to the unit. This device combines absolute encoder with integrated reset switch and pull-up resistors. Compact and simple to use. Unlike counter rotating potentiometers the rotation count is not discrete. Using the buttons on the rotary encoder it can be reset to its initial state to start counting from 0.
