1-Wire bus system is designed by Dallas Semiconductor Corp. In the 1-Wire protocol. It uses a single signal line to do data transmit, receive and provide power (parasitic) to 1-Wire devices. 1-wire protocol makes it very easy for MCU to communicate with 1-wire devices.  

1-Wire bus system is designed by Dallas Semiconductor Corp. In the 1-Wire protocol. It uses a single signal line to do data transmit, receive and provide power (parasitic) to 1-Wire devices. 1-wire protocol makes it very easy for MCU to communicate with 1-wire devices.