ESP8266 Community Forum

- Mon Mar 02, 2015 11:10 am #11104

Finally i found Zarya's hd44780 driver and i modified for 16x2 lcd. its working now and here is video.

There is a shift register or I2C interface chip involved?

By the way, there are methods of using only one pin to interface with a shift register: http://www.romanblack.com/shift1.htm

Just esp8266 i2c interface.

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- Wed Jun 10, 2015 1:13 pm #20072

Finally i found Zarya's hd44780 driver and i modified for 16x2 lcd. its working now and here is video.

Thank you for posting. Excellent.
I am wondering if the code you provided at https://docs.google.com/file/d/0B-HltbD ... RyTDQ/edit
can be used with nodemcu? .
Regards

- Wed Jun 10, 2015 3:42 pm #20082 i am not sure. you should to try to merge both code

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- Sat Jul 25, 2015 5:02 pm #24260 I'am using the code of Abel but i do not get any character on the display. Only the cursor on the end of the text. Any idea what can be?
Thank you in advance.