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AUTO_HOTSPOT.md

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The auto-hotspot feature as implemented by https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/158-raspberry-pi-auto-wifi-hotspot-switch-direct-connection Is a handy feature to have if you use the timer at home and away. When you are at home, the timer can connect to your home Wi-Fi, so you can access it from any computer (or smart device) on your network.
When you are away from home the timer will automatically set up a hotspot that you can connect to for race management. The built-in Wi-Fi hotspot does not have great range, so this feature is only useful if the timer is close to the computer that is managing it.
It also helps to have the timer off the ground to improve range, and do not shield the pi with metal tape. If you are going to shield your nodes to improve accuracy, it would be good to have the pie outside that shielding.

  • When connected to Wi-Fi, most routers will allow you to use bonjour to connect to the Raspberry Pi So you can ssh to your RotorHazard device by doing: ssh [email protected]

  • If you change the hostname: ether through GUI or via raspi-config > networking > hostname to something like: rotorhazard then your timer would be assessable as ssh [email protected]

  • When the timer is not within range of a known Wi-Fi network, it will set up a hotspot for you. Connect to the hotspot and go to 10.0.0.5 to access the timer. eg: ssh [email protected]