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Fix opentherm_gw gpio modes (#34501)

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source/_integrations/opentherm_gw.markdown
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@ -538,14 +538,14 @@ Possible modes and their meaning for the GPIO pins are listed here:
Bulletpoints and numbers to match the LED mode layout below. Bulletpoints and numbers to match the LED mode layout below.
{% endcomment %} {% endcomment %}
- 1\. No function, default for both ports on a freshly flashed chip. - 0\. Input - default for both ports on a freshly flashed chip.
- 2\. Ground - A permanently low output (0V). Could be used for a power LED. - 1\. Ground - A permanently low output (0V). Could be used for a power LED.
- 3\. Vcc - A permanently high output (5V). Can be used as a short-proof power supply for some external circuitry used by the other GPIO port. - 2\. Vcc - A permanently high output (5V). Can be used as a short-proof power supply for some external circuitry used by the other GPIO port.
- 4\. LED E - An additional LED if you want to present more than 4 LED functions. - 3\. LED E - An additional LED if you want to present more than 4 LED functions.
- 5\. LED F - An additional LED if you want to present more than 5 LED functions. - 4\. LED F - An additional LED if you want to present more than 5 LED functions.
- 6\. Home - Set thermostat to setback temperature when pulled low. - 5\. Home - Set thermostat to setback temperature when pulled low.
- 7\. Away - Set thermostat to setback temperature when pulled high. - 6\. Away - Set thermostat to setback temperature when pulled high.
- 8\. DS1820 (GPIO port B only) - Data line for a DS18S20 or DS18B20 temperature sensor used to measure the outside temperature. A 4k7 resistor should be connected between GPIO port B and Vcc. - 7\. DS1820 (GPIO port B only) - Data line for a DS18S20 or DS18B20 temperature sensor used to measure the outside temperature. A 4k7 resistor should be connected between GPIO port B and Vcc.
## LED modes ## LED modes