20 count rotary encoder can be counted in the positive direction and the reverse direction during rotation of the output pulse frequency.
Please Note: These are not the smooth running types, there is a definite click as you turn them.
CLK – Encoder A output
DT – Encoder B output
GND – Ground / 0V
SW – ‘Select’ switch (activated when shaft pressed on top)
- Rotary encoder module KY-040
- Left and Right turn detection
- Push button
- Operating voltage – 5V
- Circle pulse count – 20
- 6mm Shaft
- Size – 26mm x 19mm x 32mm
Click Here – to learn how to use a Rotarty Encoder