Gordon, it seems the pins caused it. Just changed it to I2C3 and this works:
function onInit() { I2C3.setup({scl:A8, sda:B4}); var lcd = require("HD44780").connectI2C(I2C3); lcd.clear(); lcd.print( "Hello World!" ); }
No delay needed. Just different pins.
Thanks for the hint.
@ChristianW started
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Gordon, it seems the pins caused it.
Just changed it to I2C3 and this works:
No delay needed. Just different pins.
Thanks for the hint.