Raspberry Pi

wpa_supplicant.conf

country=US
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1

network={

    ssid="ssid"
    psk="password"
}

# Giving configuration update rights to wpa_cli
ctrl_interface=/run/wpa_supplicant
ctrl_interface_group=wheel
update_config=1

# AP scanning
ap_scan=1

# ISO/IEC alpha2 country code in which the device is operating
country=US

# network section generated by wpa_passphrase
network={
    ssid="ssid"
    psk="pasword"
}