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19 lines
731 B
Markdown
19 lines
731 B
Markdown
# Parameter `IO3`
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Default Value: `input disabled 10 false false`
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!!! Warning
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This is an **Expert Parameter**! Only change it if you understand what it does!
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This parameter can be used to configure the GPIO `IO3` pin.
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!!! Warning
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This pin is by default used for the serial communication as RX pin (USB logging)!
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Parameters:
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- `GPIO 3 state`: One of `input`, `input pullup`, `input pulldown` or `output`.
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- `GPIO 3 use interrupt`: Enable interrupt trigger
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- `GPIO 3 PWM duty resolution`: LEDC PWM duty resolution in bit
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- `GPIO 3 enable MQTT`: Enable MQTT publishing/subscribing
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- `GPIO 3 enable HTTP`: Enable HTTP write/read
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- `GPIO 3 name`: MQTT topic name (empty = `GPIO3`). Allowed characters: `a-z, A-Z, 0-9, _, -`.
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