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[st7123] add docs #5675

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[st7123] add docs
miniskipper Nov 25, 2025
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[st7123] index
miniskipper Nov 25, 2025
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1 change: 1 addition & 0 deletions content/components/_index.md
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Expand Up @@ -604,6 +604,7 @@ Often known as "tag" or "card" readers within the community.
"GT911","components/touchscreen/gt911","esp32_s3_box_3.png",""
"Nextion Binary Sensor","components/binary_sensor/nextion","nextion.jpg",""
"TT21100","components/touchscreen/tt21100","esp32-s3-korvo-2-lcd.png",""
"ST7123","components/touchscreen/st7123","tab5.jpg",""
"LVGL widget","components/binary_sensor/lvgl","lvgl_c_bns.png",""
{{< /imgtable >}}

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37 changes: 37 additions & 0 deletions content/components/touchscreen/st7123.md
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---

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description: "Instructions for setting up st7123 touch screen controller with ESPHome"
title: "st7123 Touch Screen Controller"
params:
seo:
description: Instructions for setting up st7123 touch screen controller with ESPHome
image: tab5.jpg
---

The `st7123` touchscreen platform allows using the touch screen controllers based on the st7123 chip with ESPHome.
The [I²C](/components/i2c) is required to be set up in your configuration for this touchscreen to work.

This controller is used in the M5Stack Tab5 (newer version);

{{< img src="tab5.jpg" alt="Image" caption="st7123 touchscreen on M5Stack Tab5" width="50.0%" class="align-center" >}}

## Base Touchscreen Configuration

```yaml
# Example configuration entry
touchscreen:
platform: st7123
id: my_touchscreen
interrupt_pin: GPIOXX
```

### Configuration variables

- **id** (*Optional*, [ID](/guides/configuration-types#id)): Manually set the ID of this touchscreen.
- **interrupt_pin** (*Optional*, [Pin Schema](/guides/configuration-types#pin-schema)): The touch detection pin.
- **reset_pin** (*Optional*, [Pin Schema](/guides/configuration-types#pin-schema)): The reset pin.

- All other options from [Touchscreen](/components/touchscreen#config-touchscreen).

## See Also

- {{< apiref "st7123/touchscreen/st7123.h" "st7123/touchscreen/st7123.h" >}}
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