Got a Raspberry Pi 3 or 4? Let’s use it to drive a robot running Ubuntu! This video walks you through installing Ubuntu so we can later install ROS.
Check out the Ubuntu Robotics team at https://ubuntu.com/robotics to find more exiting information about robots running Ubuntu!
What you need to do this installation:
– a Rasperry Pi 3 or 4 (not 2 or earlier, not zero–possible, not covered here)
– an SD card, 4 or 8GB (more for ROS)
Why do you sometimes have to reboot before your pi will connect to the wireless network? Because there’s an open issue with cloud-init booting from wifi. This also prevents you from configuring other network-based cloud-init items on first boot. See https://launchpad.net/bugs/1870346 and watch for an update.
This is the sample network-config used in this video:
addresses: [10.168.1.1, 18.104.22.168]
This configuration file:
– Leaves the ethernet adapter enabled with dhcp
– Assigns a static IP address of 10.168.1.21, netmask 255.255.255.0 (/24), and a default gateway of 10.168.1.1
– Assigns DNS servers 10.168.1.1 and 22.214.171.124
– Connects to the access point named “robotnet” with the WPA2 Personal password “robotnet-password”
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