While [Ilias Giechaskiel] was waiting for his SIM900 shield to arrive, he decided to see what he could do with an old Nokia 6310i and an Arduino ... via the headphone jack of Motorola phones.

The death of the headphone jack is a very good thing. Hear me out. The headphone jack is an analog connection originally designed for old-fashioned telephone switchboards in the early 20th century.

Jon Porter is a reporter with five years of experience covering consumer tech releases, EU tech policy, online platforms, and mechanical keyboards. The KB3 is a new mechanical keyboard from audio ...