Test run

[nilbus]

• [x] Devices can connect to the derby wifi quickly, or at least eventually
• [x] Race times are recorded
• [x] Unplug sensor; note warning on dashboard; it works after plugging back in
• [x] Unplug wifi; note blinking LED; devices can connect after reconnecting wifi dongle
• [ ] Ensure several connected devices connected doesn't harm latency
• [x] Measure wifi range
• [x] What happens when a car that won't finish #4
• [x] Still works when the race is started while the device is unplugged
• [x] Still works when the race is started and then the sensor is reset after losing power
• [x] Raspberry pi loses power or reboots

[nilbus]

• [ ] Android phones fail
• [ ] Wifi does not regain IP after getting plugged in again