Orange has become one of Europe’s most promising champions of the smart home, with innovations ranging from its AI assistant Djingo (designed in partnership with Deutsche Telekom) to interactive mirrors, right down to the nittier and grittier world of sensors and networks. The French incumbent recently made a move in the latter field, rolling in Californian vendor DSP Group to enable future smart home applications via the ultra-low energy (ULE) protocol. Orange plans to roll out products and services based on DSP’s ULE chips this spring, including a motion sensor, smart plug, smart light bulb and door/window-opening sensor. The initial wave will reach some 3m homes installed with the latest Livebox router, allowing customers to enable the new services free…