The Best Cheap Rotary Encoder of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Cheap Rotary Encoder of 2025. Check our ranking below.
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- EC11 Rotary Encoder：6Pcs Rotary Encoder + 6Pcs knob cover
- Number of pins：5 Pin
- Rotation Angle: 360°
- with Push Button: Can be reset to initial state, counting from 0
- For Arduino, Raspberry Pi, ESP32
- JTAREA KY-040 360 Degree Rotary Encoder Module with Knobs Cap.
- STANDARD SPECIFICATION: Working voltage: 5V; One round number of pulse: 20.
- EXCELLENT FEATURES: The rotary encoder can count the number of pulses output during forward and reverse rotation by rotating,and the number of rotations is not limited.
- MULTIPURPOSE: The rotary encoder is a great device for stepper and servo motor control-you could also use it to control devices like digital potentiometers.
- STURDY PACKAGING: 4Pcs rotary encoder comes in box-providing protection and easy storage.
- JTAREA KY-040 360 Degree Rotary Encoder Module with Knobs Cap.
- STANDARD SPECIFICATION: Working voltage: 5V; One round number of pulse: 20.
- EXCELLENT FEATURES: The rotary encoder can count the number of pulses output during forward and reverse rotation by rotating,and the number of rotations is not limited.
- MULTIPURPOSE: The rotary encoder is a great device for stepper and servo motor control-you could also use it to control devices like digital potentiometers.
- STURDY PACKAGING: 2Pcs rotary encoder comes in box-providing protection and easy storage.
- Length of Shaft: 20mm/ 0.79in
- 5 pins
- 【General Parameters】Model: KY-040, Working Voltage: 5V, One round number of pulse: 20.
- 【No Limited Rotation Counts】The rotary encoder can count the number of pulse output during rotation in the positive direction and reverse direction through the rotation and this rotation counts are not limited.
- 【Encoder Key】With the key on the rotary encoder, you can reset to the initial state, that is, counting from 0.
- 【Application】Best choice for stepper and servo motor control. You could also use it to control devices like digital potentiometer.
- 【Package Included】5 x KY-040 360 Degree Rotary Encoder Module + 5 x Encoder Push Button
- About encoder code switch: these are continuous rotary encoder switches with switches; They can rotate 60 degree rotation degree; Number of digits: 20; Number of Pins: 5
- Rotary encoder: the rotary encoder can count forward and backward during the rotation of the output pulse frequency, unlike the rotary potentiometer counting, this kind of rotation counting is not limited; The button on the rotary encoder can be reset to the initial state, that is, counting from 0
- Specification information: the shaft measures 6 mm/ 0.24 inch in diameter and 20 mm/ 0.79 inch in length; With built-in button switch (press operation
- Wide range of applications: the rotary encoder push button can be applied for data entry of modern car music players, volume and on/off control or for data selection through LED or LCD display; Apart from that, it is very suitable for use with PIC
- Package content: you will receive 5 pieces 360 degree rotary encoder code switch push button that compatible with EC11 Digital Potentiometer and 5 pieces knob caps, a nice combination to meet your personal needs
- Rotary encoder Module：Compatible with for Audio Electric Fan Light Control etc
- Size：26*18.8*29mm；Knobs Cap：16.8*14mm
- Pulse circle：20
- Voltage：5V
- Commodities Include： 5Pcs Rotary Encoder； 5Pcs Knobs Cap；5Pcs Nut；5Pcs Washer；10Pcs Connection Line
- This incremental rotary encoders Exquisite workmanship ,Quality assurance for 1 years. If there are quality problems within 1 years, you can send us email. We will send you new ones .
- Product Name: incremental rotary encoders 600P/R , AB two phases.AB two -phase quadrature output rectangular pulse, the circuit output is NPN open collector output type .
- Encoder size ： Encoder size: 38 x 35.5mm/1.49" x 1.39" ；Shaft: 6 x 15mm/0.23" x 0.59"；Axis stopper platform: High 5mm, 20mm；Power source: DC 5-24V；Maximum mechanical speed: 6300 R / min.
- Connection: white = A phase, Green = B phase, red = power +, black = V0 ； Note: AB two -phase outputs must not be connected directly to VCC, otherwise, they will burn the output transistor.
- Package content：1 x Incremental Rotary Encoder ；Net Weight : 130g;
- Size: About 31 * 19 * 29mm / 1.22" * 0.75" * 1.14"
- Main color: Black
- Working voltage: 5V
- Pulse circle: 20
- Avoid storing the products in a place at high temperature, high humidity and in Corrosive gases.
- Do not touch the product with water, as this may cause abnormal output waveforms.
- Material: Plastic, Metal; Main Color: Blue, Silver Tone.
- Rated Voltage: DC 5V; Shaft Movement Direction: Action Type: Momentary.
- Package Content: 10 x EC11 Rotary Encoder with Switch (20MM).
Last update on 2026-02-16 / Affiliate links / Images from Amazon Product Advertising API
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FAQ:
Q: What is a rotary encoder?
A: A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to analog or digital output signals.
Q: How do rotary encoders work?
A: A rotary encoder using optical sensing technology relies on the rotation of an internal code disc that has opaque lines and patterns on it. The disc is rotated (hence the name rotary encoder) in a beam of light such as an LED and the markings on the disc act as shutters blocking and unblocking the light.
Q: What is a shaft encoder?
A: A shaft encoder is any device that allows the speed or angular position of a rotatting shaft to be measured or signalled to a control system. There are several different types.