https://www.kincony.com/forum/ Fri, 08 May 2026 10:20:20 +0000 MyBB https://www.kincony.com/forum/showthread.php?tid=9076 Mon, 23 Feb 2026 13:45:35 +0800 admin]]> https://www.kincony.com/forum/showthread.php?tid=9076
  DB37.jpg (Size: 245.99 KB / Downloads: 137) ]]>
  DB37.jpg (Size: 245.99 KB / Downloads: 137) ]]> https://www.kincony.com/forum/showthread.php?tid=9075 Mon, 23 Feb 2026 13:37:16 +0800 admin]]> https://www.kincony.com/forum/showthread.php?tid=9075 ls /dev/i2c-*
then will show i2c dev as this photo.

  check-i2c-home-assistant-OS.png (Size: 34.74 KB / Downloads: 117) ]]> ls /dev/i2c-*
then will show i2c dev as this photo.

  check-i2c-home-assistant-OS.png (Size: 34.74 KB / Downloads: 117) ]]> https://www.kincony.com/forum/showthread.php?tid=9074 Mon, 23 Feb 2026 13:34:53 +0800 admin]]> https://www.kincony.com/forum/showthread.php?tid=9074 In the CONFIG folder, add another new folder called modules.
Inside the modules folder add a text file called rpi-i2c.conf with the following content:
i2c-dev

In the root of the hassos-boot partition, edit the file called config.txt at last add two lines to it:
dtparam=i2c_arm=on
dtoverlay=i2c1-pi5,pins_2_3

  enable-cm5-i2c-config.png (Size: 53.91 KB / Downloads: 134)

restart home assistant.

how to check whether have enabled i2c bus for home assistant, see here: https://www.kincony.com/forum/showthread.php?tid=9075]]> In the CONFIG folder, add another new folder called modules.
Inside the modules folder add a text file called rpi-i2c.conf with the following content:
i2c-dev

In the root of the hassos-boot partition, edit the file called config.txt at last add two lines to it:
dtparam=i2c_arm=on
dtoverlay=i2c1-pi5,pins_2_3

  enable-cm5-i2c-config.png (Size: 53.91 KB / Downloads: 134)

restart home assistant.

how to check whether have enabled i2c bus for home assistant, see here: https://www.kincony.com/forum/showthread.php?tid=9075]]> https://www.kincony.com/forum/showthread.php?tid=9073 Mon, 23 Feb 2026 13:23:47 +0800 admin]]> https://www.kincony.com/forum/showthread.php?tid=9073
HACS (Recommended)
  1. Open HACS in your Home Assistant instance
  2. Click on "Integrations"
  3. Click the three dots in the top right corner
  4. Select "Custom repositories"
  5. Add this repository URL: https://github.com/hzkincony/hass-ssd1306
  6. Select category: "Integration"
  7. Click "Add"
  8. Find "SSD1306 I2C Display" in HACS and click "Download"
  9. Restart Home Assistant

Manual Installation
  1. Clone or download this repository
  2. Copy the custom_components/ssd1306_i2c directory into your Home Assistant custom_components folder
  3. Restart Home Assistant

2: Test: home assistant "Settings" -- "Developer tools" -- "Actions" search "print text"

  pi5-ssd1306-1.png (Size: 78.84 KB / Downloads: 148)
select "ssd1306_i2c.print_text" action, set the X, Y, Text, Font size , then click "Perform action" to show in OLED display.

  pi5-ssd1306-2.png (Size: 93.89 KB / Downloads: 137)

  pi5-ssd1306.jpg (Size: 101.92 KB / Downloads: 158)

3: note: make sure your CM5 have enabled i2c bus.
how to enable CM5 i2c bus, see here: https://www.kincony.com/forum/showthread.php?tid=9074]]>
HACS (Recommended)
  1. Open HACS in your Home Assistant instance
  2. Click on "Integrations"
  3. Click the three dots in the top right corner
  4. Select "Custom repositories"
  5. Add this repository URL: https://github.com/hzkincony/hass-ssd1306
  6. Select category: "Integration"
  7. Click "Add"
  8. Find "SSD1306 I2C Display" in HACS and click "Download"
  9. Restart Home Assistant

Manual Installation
  1. Clone or download this repository
  2. Copy the custom_components/ssd1306_i2c directory into your Home Assistant custom_components folder
  3. Restart Home Assistant

2: Test: home assistant "Settings" -- "Developer tools" -- "Actions" search "print text"

  pi5-ssd1306-1.png (Size: 78.84 KB / Downloads: 148)
select "ssd1306_i2c.print_text" action, set the X, Y, Text, Font size , then click "Perform action" to show in OLED display.

  pi5-ssd1306-2.png (Size: 93.89 KB / Downloads: 137)

  pi5-ssd1306.jpg (Size: 101.92 KB / Downloads: 158)

3: note: make sure your CM5 have enabled i2c bus.
how to enable CM5 i2c bus, see here: https://www.kincony.com/forum/showthread.php?tid=9074]]> https://www.kincony.com/forum/showthread.php?tid=8801 Tue, 09 Dec 2025 10:50:41 +0800 mcdave]]> https://www.kincony.com/forum/showthread.php?tid=8801 https://www.kincony.com/forum/showthread.php?tid=8495 Fri, 05 Sep 2025 13:22:29 +0800 admin]]> https://www.kincony.com/forum/showthread.php?tid=8495
  rpiboot_setup.zip (Size: 32.75 MB / Downloads: 393) ]]>
  rpiboot_setup.zip (Size: 32.75 MB / Downloads: 393) ]]>