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This article mainly shows you how to install the latest wiringpi library for Raspberry Pi 4b+Ubuntu 20.04 LTS 32 bit, the content is simple and easy to understand, the organization is clear, I hope to help you solve doubts, let Xiaobian lead you to study and learn "Raspberry Pi 4b+Ubuntu 20.04 LTS 32 bit how to install the latest wiringpi library" this article.

Raspberry Pi 4 comes with a wiringPi library default of 2.50, which cannot be mapped to gpio, so it needs to be updated to 2.52 to map with Raspberry Pi:

Test environment:

Raspberry Pi 4B 8G + Ubuntu 20.04 LTS 32-bit (after testing wiringpi currently does not support 64-bit systems, so reinstalled 32-bit systems)

1. Install the built-in wiringPi library sudo apt install wiringpi2. Update the library cd /tmpwget https://project-downloads.drogon.net/wiringpi-latest.deb3. Then execute.debsudo dpkg -i wiringpi-latest.deb

4. Check: gpio -v

5. Get the map between wirngPi and gpio gpio readall

The above is "Raspberry Pi 4b+Ubuntu 20.04 LTS 32 bit how to install the latest wiringpi library" all the content of this article, thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

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