Tests::
I2C-LCD 16x2 or 20x4 Display based on HD44780-compatible Displays with PCF8574
tested on Raspberry Pi 3B+ and Raspbery Pi 4 should also run on Tinkerboard
Enable I2C on your device (raspi-config etc.) and wire the display to the I2C-bus. Install the adapter, set up bus no, I2C-address (as decimal value!) and choose your type of display in the configuration.
Datapoints:
"DisplayLightOn" turns on/of the backlight "DisplayBlink" lets blink the backlight in the desired setInterval "DisplayBlinkTime" sets up the Interval for "DisplayBlink" "DisplayLine1"..."DisplayLine4" writes the user-defined text to the desired line
Adapter based on node.js-library raspberrypi-liquid-crystal (https://www.npmjs.com/package/raspberrypi-liquid-crystal)
- (raspilc) rework to make compatible with nodejs 12/14
- (raspilc) fixed some errors
- (raspilc) fixed error in bus choice
- (raspilc) added choice of bus no in admin
- (raspilc) initial release
MIT License
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