This part is done by a ST7540 modem that’s designed for power line applications. The modem is controlled over SPI by an ATmega168 microcontroller.

Working Of Power Line Communication AC current oscillates at a frequency of 50/60 Hz and is distributed to end consumers through power lines. For communication, data signals must be sent in the ...

CNET editor Dong Ngo picks his top power line adapters. These offer great performance for those who need to quickly expand their network, particularly to the spots where Wi-Fi signals can't reach.

Most power meters don’t filter out the signal, so it’s possible that you might see your next-door neighbor’s traffic on your line. [Florian] reports having seen all the traffic in a six ...