Since I struggled to install OpenCV on the RPI Zero 2, I want to give some instructions here. Maybe its helpful.
1. You can basically follow https://docs.opencv.org/4.x/d7/d9f/tuto ... stall.html for instructions regarding configuring and building. However, the GitHub Link is not working. I used this one: https://codeload.github.com/opencv/open ... ags/4.13.0
Execute cmake for configuring.
2. You need at least 2GB ZRAM.Note: This is not setting the ZRAM permanently.
3. After that you can build with.
1. You can basically follow https://docs.opencv.org/4.x/d7/d9f/tuto ... stall.html for instructions regarding configuring and building. However, the GitHub Link
Code:
https://github.com/opencv/opencv/archive/4.x.zipExecute cmake for configuring.
2. You need at least 2GB ZRAM.
Code:
# Install zram toolssudo apt install zram-tools# Disable the current swapsudo swapoff /dev/zram0# Reset the devicesudo zramctl --reset /dev/zram0# Set the new size and re-initialize as swapsudo zramctl --find --size 1G --algorithm zstdsudo mkswap /dev/zram0sudo swapon /dev/zram03. After that you can build with
Code:
make -j4Statistics: Posted by NMO13 — Wed Jan 14, 2026 4:02 pm