Kc868-a32 lcd_pcf8574 esphome yaml example

[wchpikus]

Hello,
I try add to this board lcd,but i have syntezy error..
Could I please some example,how to add lcd to this?
In a16 I do not have problem, I copyright paste but not valid.

[admin]

do you have added SSD1306 i2c OLED displayer?

[katyperry]

Since the A16 board isn't a standard or widely documented platform, I'll assume it's a microcontroller board similar to Arduino or STM32, and the issue likely stems from differences in pin configurations, libraries, or syntax specific to the A16.

[simdollaro]

hello i have an issue


i2c:
sda: GPIO4
scl: GPIO16
id: i2c0
scan: true
frequency: 100kHz


display:
- platform: lcd_pcf8574
dimensions: 20x4
i2c_id: i2c0
address: 0x27
update_interval: 500ms

can you help me?


the issue is:
[21:24:21][E][lcd_pcf8574:031]: Communication failed
[21:24:21][E][component:088]: Component display is marked FAILED:

[admin]

if you want ask a question, you should tell us in details.