# Extension Boards

- [Motion sensor](/picoclick-c3/extension-boards/motion-sensor.md)
- [Distance sensor](/picoclick-c3/extension-boards/distance-sensor.md)
- [PIR sensor](/picoclick-c3/extension-boards/pir-sensor.md)
- [Light sensor](/picoclick-c3/extension-boards/light-sensor.md)
- [GPIO expander](/picoclick-c3/extension-boards/gpio-expander.md)
- [Encoder](/picoclick-c3/extension-boards/encoder.md)
- [OLED 0.49"](/picoclick-c3/extension-boards/oled-0.49.md)
- [OLED 0.69"](/picoclick-c3/extension-boards/oled-0.69.md)