How to connect an I2C LCD Display to an Arduino NANO

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How to connect an I2C LCD Display to an Arduino NANO

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This example is not applicable to the NANO 33 IOT since the LCD I2C requires a VDD of 5VDC to operate. Unless a level shifter or IC's drivers like the 74LS244 or even the 74LS00 are used to interface (glue) the signals from one VDD voltage level to the other. Always remember to keep all signal grounds tied up together, otherwise signals from one voltage level will be floating to the other.

enriqueeenriquez

Works! Just have to adjust the potentiometer on the I2C device.

webslinger

WOW THIS WORKED SO WELL and it only took 5 mins

benjaminb.

Love your start with the Pin Layout - I had a problem i/e no display - but that was because my Display used an Address 0x27 - thanks 73's

MarioVe

Thank you very it was perfect & very useful.

HomeTheatres

hello I have a 16x4 ERMC1604SBS-1 LCD. There is no SCL, only SCK, can I just connect the A5 to SCK?

adayinlife

si el texto en el display no se ve, se debe ajustar el brillo!

NEKSZER

Thanks, how send and recive pixels from ov7670 to COM5 and wathing video on monitor on i2c interface?

МихаилАкимов-юв

Please help me doing it on Web Editor, while monitoring it comes 0x27 so then I changed nothing and tried sample but my lcd just blinks in 1 second

lucky_lol

what is the simulation software you are using bro

pavansaichintala

The code link is not in the description

AhriZyn

thanks, it's one working way for me

pixel.r

The sketch is in ur discription link is different with ur video.

dwinovianto

I found out information, into the datasheet to LCD 1602 is indicated, that backlight consumption is about 100 mA. As I know, DC current per I/O board's pin is 40 mA. So, using this LCD on maximum output current limit is harmful, is not it?

andrewsotnikov