OpenWRT wifi

USB adapters

apk update
apk add usbutils
lsusb

Install drivers according to chipset. i.e. for the TP-Link TL-WN722N v1.x, lsusb shows Qualcomm Atheros Communications AR9271 802.11n:

apk add kmod-ath9k kmod-ath9k-htc kmod-usb-net kmod-usb2 ath9k-htc-firmware
reboot

The adapter should show up under Network / Wireless