node-red-contrib-oled-i2c
v1.1.7
Published
Node-Red node for controlling OLED displays with SSD1306 and SH1106 drivers
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node-red-contrib-oled-i2c
Forked from https://www.npmjs.com/package/node-red-contrib-oled
Node-Red node to talk to OLED displays, connected by i2c.
Usage
Configure the OLED as shown:
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
GPIO 23 / BCM 16
- The SCK in on pin
GPIO 24 / BCM 18
- The software I2C is on
Bus 3
Features
- 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)
- SSD1306
- Support various font from
oled-font-pack
package.
Please Contact Us
If you have any problem when using our package, please contact us..