LCD - 2 Different Circuits
does know if smaller red board on of lcd comes off? on internet i'm seeing 2 different ways hook lcd , can't work red board on i'd try without it.
there no need remove backpack. i2c simpler wire when using arduino pin control.
also, without proper de-soldering tools device can damaged when attempting remove backpack.
all need proper library.
with right library can simpler use well.
i suggest use hd44780 library package.
unlike other libraries, hd44780 library can autodetect backpack device.
it faster , has additional capabilities on other libraries.
i have exact same backpack , have tested library.
hd44780 can , installed using ide library manager.
you can read more here: https://github.com/duinowitchery/hd44780
the git repo page includes information library including how install library.
i highly recommend use ide library manager , not attempt install manually or using zip install.
the i/o class use device backpack hd44780_i2cexp.
the library comes diagnostic tool (i2cexpdiag) test i2c signals , internal memory of lcd module. run first verify library able communicate device.
i recommend read through information on git hub repo before go off trying run examples. there information examples down under examples directory can view on github page.
the examples device ones under hd44780_i2cexp i/o class area.
--- bill
also, without proper de-soldering tools device can damaged when attempting remove backpack.
all need proper library.
with right library can simpler use well.
i suggest use hd44780 library package.
unlike other libraries, hd44780 library can autodetect backpack device.
it faster , has additional capabilities on other libraries.
i have exact same backpack , have tested library.
hd44780 can , installed using ide library manager.
you can read more here: https://github.com/duinowitchery/hd44780
the git repo page includes information library including how install library.
i highly recommend use ide library manager , not attempt install manually or using zip install.
the i/o class use device backpack hd44780_i2cexp.
the library comes diagnostic tool (i2cexpdiag) test i2c signals , internal memory of lcd module. run first verify library able communicate device.
i recommend read through information on git hub repo before go off trying run examples. there information examples down under examples directory can view on github page.
the examples device ones under hd44780_i2cexp i/o class area.
--- bill
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