嵇康的专栏

1.我的RaspberryPi 3 B环境芯片BCM2837rifbg为4核64位ARM cortex A53 CPU（这是硬件64位，但软件可是64位或32位的），目前我烧写的buster的RaspberryPi的32系统（可以认为是软件32位），A）用 cat /proc/cpuinfo查看到：pi@raspberrypi:~/Downloads$ cat /proc/cpuinfoprocessor : 3BogoMIPS : 38.40Feature...

参考：https://coldnew.github.io/f5873b3f/https://shumeipai.nxez.com/2020/10/18/compile-raspberry-pi-4b-linux-5-9-kernel.html我的树莓派版本为：》uname -aLinux raspberrypi 5.10.11-v7+ #1399 SMP Thu Jan 28 12:06:05 GMT 2021 armv7l GNU/Linux这里直接在树莓派机器上编译5.9,..

之前kenetic在buster版本的Raspbary pi 3 model B+上安装一直不顺利，现在改成安装melodic，顺利多了。参考：http://wiki.ros.org/ROSberryPi/Installing%20ROS%20Melodic%20on%20the%20Raspberry%20Pi2.PrerequisitesThese instructions assume that Raspbian Buster is being used as the OS on the

1）删除原先ROSsudo apt-get purge python-ros* python-catkin*2）如果hkp://ha.pool.sks-keyservers.net:80不通，改为hkp://pool.sks-keyservers.net:8sudo sh -c ‘echo “deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main” > /etc/apt/sources.list.d/ros-latest.li

项目代码见：https://github.com/jimingkang/smart_car对raspberry pi的GPIO控制，参见了https://raspberrypi.stackexchange.com/questions/14105/how-does-python-gpio-bouncetime-parameter-work创建项目：$mkdir -p ~/...

参考：https://blog.youkuaiyun.com/kristpan/article/details/45565813不过在安装libconsole-bridge-dev：不成功于是降级安装kinetichttp://wiki.ros.org/ROSberryPi/Installing%20ROS%20Kinetic%20on%20the%20Raspberry%20Pi  ...

please refer to:https://raspberrypi.stackexchange.com/questions/14105/how-does-python-gpio-bouncetime-parameter-work#!/usr/bin/env pythonimport RPi.GPIO as GPIOimport motorfrom socket import *...

refer to:http://wiki.ros.org/ROSberryPi/Installing%20ROS%20Indigo%20on%20Raspberry%20Piissue:1)usingRaspbian Jessie （my raspberry pi is stretch, but it is ok）,do not use wheezy because of some c...