Convert a Rotary Phone to VOIP using Raspberry Pi - Hackaday

Hackaday

Convert a Rotary Phone to VOIP using Raspberry Pi Hackaday There's something so nostalgic about the rotary phone that makes it a fun thing to hack and modernize. [Voidon] put his skills to the test and converted one to VoIP using a Raspberry Pi. He used the RasPi's GPIO pins to read pulses from the rotary dial ...