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RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino

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$8.99

$ 4 .99 $4.99

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  • Type: KY-040 Rotary Decoder Encoder
  • Operating Voltage: 5V; One round number of pulse: 20
  • Size: 30x19x28mm(LxWxH); Package: 2 x KY-040 Rotary Decoder Encoder
  • No limitation on rotation counts
  • The encoder can be reset to its initial state, that starts counting from 0 with the button on the rotary


Specification:
Type: KY-040 Rotary Decoder Encoder
Operating Voltage: 5V
One round number of pulse: 20
Width: 19mm
Length: 30mm
Height: 28mm
Material of Knob Cap: Aluminium Alloy
Diameter of Knob Cap: 14mm
Height of Knob Cap: 17mm
Package includes: 2 x KY-040 Rotary Decoder Encoder

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.
The KY-040 rotary encoder is a 360 degree rotary input device (i.e. a control knob) that provides an indication of how much the knob has been rotated AND which direction it is rotating in.
It is a great device for stepper and servo motor control. You can also use it to control devices like digital potentiometers. It is ideal for navigating menus on a display or taking inputs such as numbers or text characters. The range of input can be easily defined and mapped in software. A push button switch is built into this encoder.
If you push on the shaft, the normally open switch "SW" will close. This can be used as an On/Off switch, to change control functions, ranges, selecting a menu item or entering a number. The "D" shaft of the encoder can be fitted with a knob for using it in a product.


Alex
Reviewed in the United States on February 7, 2022
The encoder itself works well, but this listing only includes one set (encoder+cap). Very misleading and not at all cost effective.