Package bcmw provides driver for Broadcom/Cypress SDIO WLAN chips.

Package dcf77 decodes DCF77 time signal.

Package nrf24 provides interface to use nRF24L01 and nRF24L01+ transceivers.

Package onewire provides tools to communicate with slave devices connected to 1-Wire bus.

Package sdcard provides low-level primitives to handle Secure Digital Card protocol.