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node-red-contrib-oled-i2c

v1.1.7

Published

Node-Red node for controlling OLED displays with SSD1306 and SH1106 drivers

Downloads

86

Vulnerabilities

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Links

Git

Maintainers

hadifikrihadifikri

Keywords

node-redoledADS1x15

Readme

node-red-contrib-oled-i2c

Forked from https://www.npmjs.com/package/node-red-contrib-oled

Image text

Node-Red node to talk to OLED displays, connected by i2c.

Usage

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 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)
  • Support various font from oled-font-pack package.

Please Contact Us

If you have any problem when using our package, please contact us..