Description
The KY-040 rotary encoder is a rotary input device (as in knob) that provides an indication of how much the knob has been rotated AND what direction it is rotating in. It’s a great device for stepper and servo motor control. You could also use it to control devices like digital potentiometers.
Features:
- Operating voltage: 5V.
- Pulses/360° Rotation: 20.
- Output: 2-bit gray code
- Mechanical Angle: 360° continuous.
- With built in push button switch (push to operate)
- Dimensions: (30 x 18 x 30) mm.
- Compatible with Arduino/Raspberry Pi controller board.
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