> For the complete documentation index, see [llms.txt](https://makermoekoe.gitbook.io/picoclick-c3/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://makermoekoe.gitbook.io/picoclick-c3/extension-boards/encoder.md).

# Encoder

The encoder extension board is based on the **EC11** SMD encoder with integrated button. The output pins of the encoder are connected to GPIO2 and GPIO8. The button of the encoder can be used to activate the Picoclick.

## Hardware

### Overview

<figure><img src="/files/CmDUJFy1tjUnaRhFdExP" alt=""><figcaption></figcaption></figure>

### Technical drawing

<figure><img src="/files/cbnzsFopURyxGJ5GvQ42" alt=""><figcaption><p>Measurements in mm, grid is 0.5mm</p></figcaption></figure>

* PCB: 18mm x 23mm
* Thickness: 1mm
* Mounting holes: 3.2mm
* Corner radius: 2mm

### Schematics

<figure><img src="/files/Cl6wjMWVX1jyZcagniUX" alt=""><figcaption></figcaption></figure>

## Software