# Rotary Encoders

> Rotary encoders like EC11 and modules such as KY-040, including OLED display versions, for rotate-and-click control

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/rotary-encoders
- Category: Electronic components > Buttons and Interruptors > Rotary Encoders
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:21 (Europe/Bucharest)

## Products (3)

### Rotary encoder with click 20mm EC11
- Page: https://sigmanortec.ro/en/rotary-encoder-with-click-20mm-ec11
- Details: https://sigmanortec.ro/en/llms/p/162.md
- Price: 4.39 RON
- Availability: In stock; 1-2 zile
- Reference: 33024 · EAN: 5949786253697

Incremental rotary encoder EC11 with 6 mm shaft and integrated click button. Provides 20 steps per rotation with clear detent, quadrature signal on Out A and Out B for direction detection, GND reference. The integrated switch allows confirmation by pressing. Suitable for development boards, control panels and 3D printer controllers.

### Rotary encoder module, KY-040
- Page: https://sigmanortec.ro/en/rotary-encoder-module-ky-040
- Details: https://sigmanortec.ro/en/llms/p/163.md
- Price: 5.59 RON
- Availability: Out of stock
- Reference: 22155 · EAN: 5948823634772

Rotary encoder module KY-040 with click button, compatible with Arduino and other development boards. Converts rotational movement into digital pulses, useful for menu control, volume adjustment or navigation. Provides 20 pulses per full rotation, operates at 5VDC and has dimensions of 32 x 28 x 19 mm. Can also be used for RPM measurement by counting pulses.

### 1.3-inch OLED display module, SH1106, EC11 rotary encoder, I2C
- Page: https://sigmanortec.ro/en/module-with-096-inch-oled-screen-and-ec11-rotary-encoder
- Details: https://sigmanortec.ro/en/llms/p/2299.md
- Price: 39.98 RON
- Availability: In stock; 1-2 zile
- Reference: 88126 · EAN: 5947357466026

Module with 0.96 inch OLED display (SSD1306 driver) and EC11 rotary encoder, using an I2C communication interface. Operating voltage 3.3-5V, dimensions 56 x 97mm. Includes dedicated CONFIRM and RETURN buttons for control and visual feedback. Suitable for HMI interfaces, control panels and DIY projects, compatible with Arduino and similar boards. Reference 88126.