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Message #10272

fasaso

Posts: 4

I tried connecting a LCD to my Arduino with mobiflight
The only result i got was this: https://imgur.com/a/fmxkVuK

I tried multible LCD's and Arduino's (MEGA and UNO)

Whats wrong?

PINOUT:

GND>GND
VCC>+5V
SDA>SDA(pin20)
SCL>SCL(pin21)

2018-09-22 16:16

Message #10274

StephanHo

From: EDDG, Germany

Posts: 1867

Supporter

Hi fasaso,

looking on your photo the wiring seems to be correct.

Is that a 4 line-LCD or only a 2-Line LCD?

Did you configure it correct in Mobiflight (device)?

Is the I2C-Adress correct? If all is correct you can read the String "Mobiflight rocks" on the LCD

Please note: Do not use an UNO. The support for the UNO is over. So use only MEGA

After uploading the firmware and defining the devices you have to upload the devices to the MEGA. Thereafter you should restart MF to re-read the connected module(s).

To get the address of the interface, you should run a corresponding sketch. For this you can use the UNO so that your MEGA does not have to be rebuilt for Mobiflight. Corresponding sketches for reading the I2C addresses can be found via Google.

Grüße,
Stephan (Time: UTC+2)

2018-09-22 22:58