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raspberry pi 2
Python display CPUs frequency graphically, run on Raspberry Pi 2/Linux
In Linux, the file "/sys/devices/system/cpu/*/cpufreq/scaling_cur_freq" show the available frequency your CPU(s) are scaled to currently, i…
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raspberry pi
Cross compile Raspberry Pi kernel from source on Ubuntu
This post show how to build Raspberry Pi kernel on Ubuntu, then copy the kernel.img and other files to Raspbian installed SD Card. Create our working…
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raspberry pi
failed experiment: build "Hello World" kernel module for Raspberry Pi
It is a failed experiment to build "Hello World" kernel module for Raspberry Pi, follow the step: Run with a new installed Raspbian , whe…
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