I2C + HD44780
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Sergejs
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I2C + HD44780
Hello, is it available to make soft for connecting HD44780 display to MCU via I2C using PCF8574T board?
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BenR
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medelec35
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Re: I2C + HD44780
There is also the LCD Backpack.
I use that a lot with displays that have a PCF8574 io expander board on the back.
There is a demo file on the wiki.
- Backpack.png (6.56 KiB) Viewed 8763 times
There is a demo file on the wiki.
Martin
Re: I2C + HD44780
By the way, there is no command PrintFloat variable. In usual connection there is for HD44780. But in combination with I2C I can not print float variable on the LCD screen. Can any resolve this or may I open special topic for this question?
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chipfryer27
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Re: I2C + HD44780
Hi
You could use the FloatToString$ in a calculation then print the result. I think Ben and Medelec have posted much on this subject so a quick search might be of help.
Below x= the resulting String / y = floating point variable / z = how many decimal points to include
Hope this helps
You could use the FloatToString$ in a calculation then print the result. I think Ben and Medelec have posted much on this subject so a quick search might be of help.
Below x= the resulting String / y = floating point variable / z = how many decimal points to include
- Capture.JPG (33.15 KiB) Viewed 8706 times
Hope this helps