Node-Red node for controlling OLED displays with SSD1306 and SH1106 drivers
npm install node-red-contrib-oled-i2cnode-red-contrib-oled-i2c
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Forked from https://www.npmjs.com/package/node-red-contrib-oled
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Node-Red node to talk to OLED displays, connected by i2c.
Configure the OLED as shown:
!Oled Config
Note that Raspberry Pi allows you to enable software I2C which is useful for device that requires I2C clock stretching. SH1106 might give Error: RemoteIO error in some cases. This can be solved by using software I2C.
To enable software I2C:
* Edit /boot/config.txt
* Add the following directive anywhere in the file:
``
dtoverlay=i2c-gpio,bus=3
* The SDA is on pin
* The SCK in on pin
* The software I2C is on
* Perfectly compatible with Raspberry Pi 4B/3B+/3B.
* In the examples/Example1 directory there is a flow that you can use for testing.
* Support OLED display, which can display the running status of Raspberry Pi in real-time or anything you want.
* SSD1306
- all features
* SH1106
- Scroll feature is not available (no native support)oled-font-pack` package.
* Support various font from