KY-040 rotary encoder module for Arduino STM32 position and rotation measurement

The KY-040 rotary encoder is a reliable and versatile device for accurately measuring the position and rotation of shafts such as stepper motors and servos. It is compatible with popular platforms such as Arduino and STM32, making it an ideal choice for DIY projects and professional applications. Thanks to its two photoresistors, the encoder captures shaft rotation with high accuracy. In addition, the module has two buttons that can be used to trigger events, increasing its functionality in projects. It operates over a voltage range of 2.5V to 5V, providing flexibility for applications with different power supply circuits.

Specifications:

* Voltage: 2,5 ÷ 5 V

* 360° rotation

* Button

* 20 pulses per revolution

* Dimensions: 32 x 19 x 30 mm