Digital-SWR-Meter

Hardware

2004A-20X4-LCD-HD44780.html

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Install the IDE

On Ubuntu:

Displayed:


Do not use "apt install arduino " on Ubuntu!

WARNING!!! If you use sudo apt-get install arduino you will probably get an extremely outdated and possibly non-standard version of the Arduino IDE. Official Linux 32 bit, 64 bit, and ARM builds are available for downloadm from www.arduino.cc.
See: http://playground.arduino.cc/Learning/Linux

Unfortuantly, I discovered this too late and waisted time installing the the Ubuntu distribution. When it did not work and complained about COM1 ports not being available I knew something was wrong.
Get the install media form https://www.arduino.cc/en/Main/Software

I then used this site which worked out of the box:
https://www.arduino.cc/en/main/software

Always check the current permissions and owner/group of the serial device.

If you had to add the dialout group to the user, you will need to log out then log back in and now you should have access to the device.

Plug in USB device with nano with a MEga382P chipset
dmesg to locate the ttyUSB0

Run IDE
Select Tools-->Board-->Nano with ATmega382
I had to change the bootloader selection to the old bootloader.



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Programming

Programming reference: file:///usr/share/doc/arduino-core/reference/index.html

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I2C LCD - Setup instructions

Video on how to connect an I2C LCD Display to an Arduino NANO:
https://www.youtube.com/watch?v=ZtwFpFIS1_0

forum.arduino.cc/index.php?topic=128635.0

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Glenn Lyons VK4PK
glenn@LyonsComputer.com.au
Ver:gnl20182018 - pre published v0.9