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Add encoder pinout to the docs

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Gleb Sabirzyanov 2022-06-27 12:07:54 +10:00 committed by xs5871
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docs/encoder.md
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@ -91,6 +91,22 @@ The resolution of `1` for smooth encoders is not currently supported but you can
Encoder methods `on_move_do` and `on_button_do` can be overridden for complex use cases.
## Connecting the encoder
Most EC11, EC12 and similar encoders have a common pinout shown below. For EVQWGD001 horizontal roller encoder, the pins are ordered `Pin A`, `Pin B`, `Ground`, and the fourth (furthest from the two switch pins) is not connected. This information is provided just for reference — always refer to the manufacturer datasheet for the correct pinout.
```
+----------+
Pin A ----| |
| |----- Ground
Ground ----| |
| |----- Switch Pin
Pin B ----| |
+----------+
```
In this configuration the encoder push button has its own dedicated pin. If the button should instead be a part of the matrix, it needs to be wired to Column and Row like other switches instead of ground.
---