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davetcc / tcMenu

Menu library for Arduino, mbed and ESP with designer UI and remote control capabilities.
https://www.thecoderscorner.com/products/arduino-libraries/tc-menu/
Apache License 2.0
272 stars 25 forks source link

The screen becomes blurred when IO expander is enabled. #343

Closed prowong closed 1 year ago

prowong commented 1 year ago

Describe the bug The tcmenu works well until the PCF8575 IO expander is selected in the tcmenu desiginer. generate and upload the code, the screen becomes blurred, event I haven't wired them up yet.

Commerical or Personal use Personal use

Embedded environment Arduino ide 1.8.19 Board: ESP8266

Display: ST7789 driven by TFT_eSPI, connected with HW SPI TFT_CS----GPIO 15 TFT_DC----GPIO 0 TFT_RST----GPIO 2

PCF8575 expander board, address: 0x20 SCL----GPIO 5 SDA----GPIO 4

Screenshots IMG_20230501_180157-50%-25%

Before adding the IO expander, it looks normal.

IMG_20230501_190209-25%-50%

Is my setting wrong? Your projects are very helpful for the beginner like me, thank you.

davetcc commented 1 year ago

Please raise this as a discussion, it is not an issue. Issues are confirmed broken behavior in the libraries somewhere, this is most likely an electrical issue on your board.