LCD2USB's Python Library
LCD2USB’s Python Library
The LCD2USB’s Python Library is a Pure-python wrapper for LCD2USB which provide a simple way to control your LCD2USB display device. LCD2USB is a open source/open hardware project to connect HD44780 based text LCD displays to various PCs via USB.
Connect a lcd2usb device is easy:
>>> from lcd2usb import LCD >>> lcd = LCD() >>> lcd.info() Found LCD2USB device on bus 004 device 004.
Get lcd2usb firmware version:
>>> lcd.version (1, 9)
Write something on the screen:
>>> lcd.write('Hello, LCD2USB!')
Clean screen and wirte some on the 2nd row:
>>> lcd.clear() >>> lcd.goto(0, 1) >>> lcd.write('Flying with PYTHON')
>>> lcd.write('Flying with PYTHON', 0, 1)
Define a custom smile symbol and display it on the center of first row (on a 4x20 display):
>>> from lcd2usb import SMILE_SYMBOL >>> lcd.define_char(0, SMILE_SYMBOL) >>> lcd.write('\0', 9, 0)
If you need a quickly running test for your device, use this:
python -m lcd2usb
Installation is done just as for any other Python library. Using the pip or easy_install command from setuptools is the easiest:
pip install lcd2usb
easy_install install lcd2usb
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