Wifi

$ sudo connmanctl
[sudo] password for debian: temppwd      Unless you updated it, as you should.
connmanctl> tether wifi off              In case you have an old image with it enabled. Make sure you aren't connected over the tether.
Error disabling wifi tethering: Already disabled
connmanctl> enable wifi                  Probably not needed, but to be sure.
Error wifi: Already enabled
connmanctl> scan wifi                    Probably not needed, but to be sure.
Scan completed for wifi
connmanctl> services                     List off visible wifi networks.
    Aloft_Guest          wifi_506583e2cd76_416c6f66745f4775657374_managed_psk
    RockIsland           wifi_506583e2cd76_526f636b49736c616e64_managed_none
connmanctl> agent on                     To handle secure wifi networks.
Agent registered
connmanctl> connect wifi_506583e2cd76_416c6f66745f4775657374_managed_psk
                                         Replace with your wifi network.
...Provide password...
connmanctl> quit
$ 

Good references:

• https://dougreese.com/beaglebone-black-wireless-initial-setup-and-wifi-connect.html
• https://gist.github.com/kylemanna/6930087

Datasheet for wifi chipset:

• http://www.ti.com/product/WL1835MOD