# I2c on OrangePi Zero

**URL:** https://discourse.nodered.org/t/i2c-on-orangepi-zero/21777
**Category:** Hardware
**Created:** [16 February 2020 09:31 UTC](https://discourse.nodered.org/t/i2c-on-orangepi-zero/21777 "2020-02-16T09:31:46Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![homeplayer](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/homeplayer/32/12388_2.png) [@homeplayer](https://discourse.nodered.org/u/homeplayer)
#### Post date: [17 February 2020 10:36 UTC](https://discourse.nodered.org/t/i2c-on-orangepi-zero/21777/8 "2020-02-17T10:36:50Z")

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The example i used is to read a chip in this case a pcf8574,

I think you need to write data to the oled screen, not read data from it.  
maybe this can help you [Display temp (18b20) on oled with just pi and nodered](https://discourse.nodered.org/t/display-temp-18b20-on-oled-with-just-pi-and-nodered/5426)

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